Mostly all sports use ratios to caculate the number of wins and losses.
look at the ratios and multiply
You can use ratios of adjacent sides to prove if two rectangles are similar by comparing to see if the ratios are the same
Yes,. The use of ratios is necessary in most situations.
stoichiometry
You need ratios to find out what scale to use.
Many people use ratios for many reasons in everyday things we preform. Cooking, for example, because you have to measure the ingredients.
By dividing
Sorry, but your question is too general/can be read too many different ways. Are you asking (1) what ratios to use if you are evaluating whether or not to invest in a bank, (2) what ratios do banks use when evaluating whether or not make a commercial loan, (3) what ratios do banks use when evaluting consumer loan applications, or (4) something entirely different. Please repost a more specific question.
Cooking
To convert from one substance to another
Financial ratio analysis groups the ratios into categories which tell us about different facets of a company's finances and operations. An overview of some of the categories of ratios is given below.Leverage Ratios which show the extent that debt is used in a company's capital structure.Liquidity Ratios which give a picture of a company's short term financial situation or solvency.Operational Ratios which use turnover measures to show how efficient a company is in its operations and use of assets.Profitability Ratios which use margin analysis and show the return on sales and capital employed.Solvency Ratios which give a picture of a company's ability to generate cashflow and pay it financial obligations.