Home / 87,894,467.60-131,897,688.60-51,502,787.60

Finding the Fourth Proportional to 87,894,467.60, 131,897,688.60 and 51,502,787.60

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Solution

The fourth proportional to 87,894,467.60, 131,897,688.60 and 51,502,787.60 is: 77,286,987.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,894,467.60 : 131,897,688.60 = 51,502,787.60 : x
  2. Step 2: Convert to fraction form
    87,894,467.60/131,897,688.60 = 51,502,787.60/x
  3. Step 3: Cross multiply
    87,894,467.60x = 131,897,688.60 × 51,502,787.60
  4. Step 4: Simplify right side
    87,894,467.60x = 6,793,098,640,896,741
  5. Step 5: Solve for x
    x = 6,793,098,640,896,741/87,894,467.60
  6. Step 6: Final answer
    x = 77,286,987.75

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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.