Home / 87,680,408.60-131,520,612.90-23,855,000.60

Finding the Fourth Proportional to 87,680,408.60, 131,520,612.90 and 23,855,000.60

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Solution

The fourth proportional to 87,680,408.60, 131,520,612.90 and 23,855,000.60 is: 35,782,500.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,680,408.60 : 131,520,612.90 = 23,855,000.60 : x
  2. Step 2: Convert to fraction form
    87,680,408.60/131,520,612.90 = 23,855,000.60/x
  3. Step 3: Cross multiply
    87,680,408.60x = 131,520,612.90 × 23,855,000.60
  4. Step 4: Simplify right side
    87,680,408.60x = 3,137,424,299,641,868
  5. Step 5: Solve for x
    x = 3,137,424,299,641,868/87,680,408.60
  6. Step 6: Final answer
    x = 35,782,500.90

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Similar ratio
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1.5x scale

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.