Home / 87,696,000.10-131,544,000.15-42,262,387.30

Finding the Fourth Proportional to 87,696,000.10, 131,544,000.15 and 42,262,387.30

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Solution

The fourth proportional to 87,696,000.10, 131,544,000.15 and 42,262,387.30 is: 63,393,580.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,696,000.10 : 131,544,000.15 = 42,262,387.30 : x
  2. Step 2: Convert to fraction form
    87,696,000.10/131,544,000.15 = 42,262,387.30/x
  3. Step 3: Cross multiply
    87,696,000.10x = 131,544,000.15 × 42,262,387.30
  4. Step 4: Simplify right side
    87,696,000.10x = 5,559,363,481,330,558
  5. Step 5: Solve for x
    x = 5,559,363,481,330,558/87,696,000.10
  6. Step 6: Final answer
    x = 63,393,580.95

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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.