Finding the Fourth Proportional to 117,636,242.60, 176,292,936.93 and 74,428,096.70
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Solution
The fourth proportional to 117,636,242.60, 176,292,936.93 and 74,428,096.70 is: 111,540,010.69
Step by Step Solution
- Step 1: Write the proportion equation
117,636,242.60 : 176,292,936.93 = 74,428,096.70 : x - Step 2: Convert to fraction form
117,636,242.60/176,292,936.93 = 74,428,096.70/x - Step 3: Cross multiply
117,636,242.60x = 176,292,936.93 × 74,428,096.70 - Step 4: Simplify right side
117,636,242.60x = 13,121,147,757,353,042 - Step 5: Solve for x
x = 13,121,147,757,353,042/117,636,242.60 - Step 6: Final answer
x = 111,540,010.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.