Home / 87,414,101.10-131,121,151.65-82,935,125.10

Finding the Fourth Proportional to 87,414,101.10, 131,121,151.65 and 82,935,125.10

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Solution

The fourth proportional to 87,414,101.10, 131,121,151.65 and 82,935,125.10 is: 124,402,687.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,414,101.10 : 131,121,151.65 = 82,935,125.10 : x
  2. Step 2: Convert to fraction form
    87,414,101.10/131,121,151.65 = 82,935,125.10/x
  3. Step 3: Cross multiply
    87,414,101.10x = 131,121,151.65 × 82,935,125.10
  4. Step 4: Simplify right side
    87,414,101.10x = 10,874,549,115,348,822
  5. Step 5: Solve for x
    x = 10,874,549,115,348,822/87,414,101.10
  6. Step 6: Final answer
    x = 124,402,687.65

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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.