Home / 80,136,276.60-120,204,414.90-19,552,002.60

Finding the Fourth Proportional to 80,136,276.60, 120,204,414.90 and 19,552,002.60

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Solution

The fourth proportional to 80,136,276.60, 120,204,414.90 and 19,552,002.60 is: 29,328,003.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,136,276.60 : 120,204,414.90 = 19,552,002.60 : x
  2. Step 2: Convert to fraction form
    80,136,276.60/120,204,414.90 = 19,552,002.60/x
  3. Step 3: Cross multiply
    80,136,276.60x = 120,204,414.90 × 19,552,002.60
  4. Step 4: Simplify right side
    80,136,276.60x = 2,350,237,032,656,279
  5. Step 5: Solve for x
    x = 2,350,237,032,656,279/80,136,276.60
  6. Step 6: Final answer
    x = 29,328,003.90

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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.