Home / 87,882,806.60-131,730,897.90-42,414,979.40

Finding the Fourth Proportional to 87,882,806.60, 131,730,897.90 and 42,414,979.40

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Solution

The fourth proportional to 87,882,806.60, 131,730,897.90 and 42,414,979.40 is: 63,577,433.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,882,806.60 : 131,730,897.90 = 42,414,979.40 : x
  2. Step 2: Convert to fraction form
    87,882,806.60/131,730,897.90 = 42,414,979.40/x
  3. Step 3: Cross multiply
    87,882,806.60x = 131,730,897.90 × 42,414,979.40
  4. Step 4: Simplify right side
    87,882,806.60x = 5,587,363,320,772,003
  5. Step 5: Solve for x
    x = 5,587,363,320,772,003/87,882,806.60
  6. Step 6: Final answer
    x = 63,577,433.82

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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.