Finding the Fourth Proportional to 157,447,691.07, 217,321,035.02 and 91,389,470.99
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Solution
The fourth proportional to 157,447,691.07, 217,321,035.02 and 91,389,470.99 is: 126,142,557.50
Step by Step Solution
- Step 1: Write the proportion equation
157,447,691.07 : 217,321,035.02 = 91,389,470.99 : x - Step 2: Convert to fraction form
157,447,691.07/217,321,035.02 = 91,389,470.99/x - Step 3: Cross multiply
157,447,691.07x = 217,321,035.02 × 91,389,470.99 - Step 4: Simplify right side
157,447,691.07x = 19,860,854,423,933,512 - Step 5: Solve for x
x = 19,860,854,423,933,512/157,447,691.07 - Step 6: Final answer
x = 126,142,557.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.