Finding the Fourth Proportional to 102,801,864.27, 141,865,249.17 and 58,748,358.63
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Solution
The fourth proportional to 102,801,864.27, 141,865,249.17 and 58,748,358.63 is: 81,071,978.55
Step by Step Solution
- Step 1: Write the proportion equation
102,801,864.27 : 141,865,249.17 = 58,748,358.63 : x - Step 2: Convert to fraction form
102,801,864.27/141,865,249.17 = 58,748,358.63/x - Step 3: Cross multiply
102,801,864.27x = 141,865,249.17 × 58,748,358.63 - Step 4: Simplify right side
102,801,864.27x = 8,334,350,535,373,469 - Step 5: Solve for x
x = 8,334,350,535,373,469/102,801,864.27 - Step 6: Final answer
x = 81,071,978.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.