Home / 132,005,612.20-198,197,375.10-74,609,984.20

Finding the Fourth Proportional to 132,005,612.20, 198,197,375.10 and 74,609,984.20

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Solution

The fourth proportional to 132,005,612.20, 198,197,375.10 and 74,609,984.20 is: 112,021,775.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,005,612.20 : 198,197,375.10 = 74,609,984.20 : x
  2. Step 2: Convert to fraction form
    132,005,612.20/198,197,375.10 = 74,609,984.20/x
  3. Step 3: Cross multiply
    132,005,612.20x = 198,197,375.10 × 74,609,984.20
  4. Step 4: Simplify right side
    132,005,612.20x = 14,787,503,024,692,474
  5. Step 5: Solve for x
    x = 14,787,503,024,692,474/132,005,612.20
  6. Step 6: Final answer
    x = 112,021,775.27

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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.