Home / 87,893,886.60-131,840,829.90-83,414,910.60

Finding the Fourth Proportional to 87,893,886.60, 131,840,829.90 and 83,414,910.60

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Solution

The fourth proportional to 87,893,886.60, 131,840,829.90 and 83,414,910.60 is: 125,122,365.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,893,886.60 : 131,840,829.90 = 83,414,910.60 : x
  2. Step 2: Convert to fraction form
    87,893,886.60/131,840,829.90 = 83,414,910.60/x
  3. Step 3: Cross multiply
    87,893,886.60x = 131,840,829.90 × 83,414,910.60
  4. Step 4: Simplify right side
    87,893,886.60x = 10,997,491,039,538,306
  5. Step 5: Solve for x
    x = 10,997,491,039,538,306/87,893,886.60
  6. Step 6: Final answer
    x = 125,122,365.90

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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.