Home / 132,040,229.90-198,060,344.85-83,572,810.70

Finding the Fourth Proportional to 132,040,229.90, 198,060,344.85 and 83,572,810.70

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Solution

The fourth proportional to 132,040,229.90, 198,060,344.85 and 83,572,810.70 is: 125,359,216.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,040,229.90 : 198,060,344.85 = 83,572,810.70 : x
  2. Step 2: Convert to fraction form
    132,040,229.90/198,060,344.85 = 83,572,810.70/x
  3. Step 3: Cross multiply
    132,040,229.90x = 198,060,344.85 × 83,572,810.70
  4. Step 4: Simplify right side
    132,040,229.90x = 16,552,459,707,325,770
  5. Step 5: Solve for x
    x = 16,552,459,707,325,770/132,040,229.90
  6. Step 6: Final answer
    x = 125,359,216.05

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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.