Home / 132,040,229.40-198,060,344.10-83,572,810.20

Finding the Fourth Proportional to 132,040,229.40, 198,060,344.10 and 83,572,810.20

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Solution

The fourth proportional to 132,040,229.40, 198,060,344.10 and 83,572,810.20 is: 125,359,215.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,040,229.40 : 198,060,344.10 = 83,572,810.20 : x
  2. Step 2: Convert to fraction form
    132,040,229.40/198,060,344.10 = 83,572,810.20/x
  3. Step 3: Cross multiply
    132,040,229.40x = 198,060,344.10 × 83,572,810.20
  4. Step 4: Simplify right side
    132,040,229.40x = 16,552,459,545,615,990
  5. Step 5: Solve for x
    x = 16,552,459,545,615,990/132,040,229.40
  6. Step 6: Final answer
    x = 125,359,215.30

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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.