Home / 80,820,398.70-121,246,344.45-32,289,993.90

Finding the Fourth Proportional to 80,820,398.70, 121,246,344.45 and 32,289,993.90

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Solution

The fourth proportional to 80,820,398.70, 121,246,344.45 and 32,289,993.90 is: 48,441,281.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,820,398.70 : 121,246,344.45 = 32,289,993.90 : x
  2. Step 2: Convert to fraction form
    80,820,398.70/121,246,344.45 = 32,289,993.90/x
  3. Step 3: Cross multiply
    80,820,398.70x = 121,246,344.45 × 32,289,993.90
  4. Step 4: Simplify right side
    80,820,398.70x = 3,915,043,722,687,799
  5. Step 5: Solve for x
    x = 3,915,043,722,687,799/80,820,398.70
  6. Step 6: Final answer
    x = 48,441,281.97

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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.