Home / 132,099,344.10-198,149,016.15-80,443,278.90

Finding the Fourth Proportional to 132,099,344.10, 198,149,016.15 and 80,443,278.90

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Solution

The fourth proportional to 132,099,344.10, 198,149,016.15 and 80,443,278.90 is: 120,664,918.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,099,344.10 : 198,149,016.15 = 80,443,278.90 : x
  2. Step 2: Convert to fraction form
    132,099,344.10/198,149,016.15 = 80,443,278.90/x
  3. Step 3: Cross multiply
    132,099,344.10x = 198,149,016.15 × 80,443,278.90
  4. Step 4: Simplify right side
    132,099,344.10x = 15,939,756,569,915,056
  5. Step 5: Solve for x
    x = 15,939,756,569,915,056/132,099,344.10
  6. Step 6: Final answer
    x = 120,664,918.35

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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.