Home / 82,428,856.20-123,661,217.70-24,919,625.70

Finding the Fourth Proportional to 82,428,856.20, 123,661,217.70 and 24,919,625.70

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Solution

The fourth proportional to 82,428,856.20, 123,661,217.70 and 24,919,625.70 is: 37,384,860.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,428,856.20 : 123,661,217.70 = 24,919,625.70 : x
  2. Step 2: Convert to fraction form
    82,428,856.20/123,661,217.70 = 24,919,625.70/x
  3. Step 3: Cross multiply
    82,428,856.20x = 123,661,217.70 × 24,919,625.70
  4. Step 4: Simplify right side
    82,428,856.20x = 3,081,591,258,690,215
  5. Step 5: Solve for x
    x = 3,081,591,258,690,215/82,428,856.20
  6. Step 6: Final answer
    x = 37,384,860.12

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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.