Home / 87,006,063.28-120,059,064.12-50,329,781.68

Finding the Fourth Proportional to 87,006,063.28, 120,059,064.12 and 50,329,781.68

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Solution

The fourth proportional to 87,006,063.28, 120,059,064.12 and 50,329,781.68 is: 69,449,717.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,006,063.28 : 120,059,064.12 = 50,329,781.68 : x
  2. Step 2: Convert to fraction form
    87,006,063.28/120,059,064.12 = 50,329,781.68/x
  3. Step 3: Cross multiply
    87,006,063.28x = 120,059,064.12 × 50,329,781.68
  4. Step 4: Simplify right side
    87,006,063.28x = 6,042,546,485,864,722
  5. Step 5: Solve for x
    x = 6,042,546,485,864,722/87,006,063.28
  6. Step 6: Final answer
    x = 69,449,717.16

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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.