Finding the Fourth Proportional to 118,098,537.70, 177,147,806.55 and 60,702,909.70
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Solution
The fourth proportional to 118,098,537.70, 177,147,806.55 and 60,702,909.70 is: 91,054,364.55
Step by Step Solution
- Step 1: Write the proportion equation
118,098,537.70 : 177,147,806.55 = 60,702,909.70 : x - Step 2: Convert to fraction form
118,098,537.70/177,147,806.55 = 60,702,909.70/x - Step 3: Cross multiply
118,098,537.70x = 177,147,806.55 × 60,702,909.70 - Step 4: Simplify right side
118,098,537.70x = 10,753,387,304,557,720 - Step 5: Solve for x
x = 10,753,387,304,557,720/118,098,537.70 - Step 6: Final answer
x = 91,054,364.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.