Home / 102,421,390.97-141,309,251.55-62,687,499.30

Finding the Fourth Proportional to 102,421,390.97, 141,309,251.55 and 62,687,499.30

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Solution

The fourth proportional to 102,421,390.97, 141,309,251.55 and 62,687,499.30 is: 86,488,999.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,421,390.97 : 141,309,251.55 = 62,687,499.30 : x
  2. Step 2: Convert to fraction form
    102,421,390.97/141,309,251.55 = 62,687,499.30/x
  3. Step 3: Cross multiply
    102,421,390.97x = 141,309,251.55 × 62,687,499.30
  4. Step 4: Simplify right side
    102,421,390.97x = 8,858,323,607,624,149
  5. Step 5: Solve for x
    x = 8,858,323,607,624,149/102,421,390.97
  6. Step 6: Final answer
    x = 86,488,999.26

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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.