Finding the Fourth Proportional to 118,098,115.80, 177,147,173.70 and 60,702,487.80
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Solution
The fourth proportional to 118,098,115.80, 177,147,173.70 and 60,702,487.80 is: 91,053,731.70
Step by Step Solution
- Step 1: Write the proportion equation
118,098,115.80 : 177,147,173.70 = 60,702,487.80 : x - Step 2: Convert to fraction form
118,098,115.80/177,147,173.70 = 60,702,487.80/x - Step 3: Cross multiply
118,098,115.80x = 177,147,173.70 × 60,702,487.80 - Step 4: Simplify right side
118,098,115.80x = 10,753,274,150,328,730 - Step 5: Solve for x
x = 10,753,274,150,328,730/118,098,115.80 - Step 6: Final answer
x = 91,053,731.70
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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.