Home / 129,895,207.38-179,254,858.68-71,157,789.27

Finding the Fourth Proportional to 129,895,207.38, 179,254,858.68 and 71,157,789.27

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Solution

The fourth proportional to 129,895,207.38, 179,254,858.68 and 71,157,789.27 is: 98,197,460.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,895,207.38 : 179,254,858.68 = 71,157,789.27 : x
  2. Step 2: Convert to fraction form
    129,895,207.38/179,254,858.68 = 71,157,789.27/x
  3. Step 3: Cross multiply
    129,895,207.38x = 179,254,858.68 × 71,157,789.27
  4. Step 4: Simplify right side
    129,895,207.38x = 12,755,379,459,575,070
  5. Step 5: Solve for x
    x = 12,755,379,459,575,070/129,895,207.38
  6. Step 6: Final answer
    x = 98,197,460.22

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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.