Home / 132,815,441.76-198,814,553.82-86,657,922.24

Finding the Fourth Proportional to 132,815,441.76, 198,814,553.82 and 86,657,922.24

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Solution

The fourth proportional to 132,815,441.76, 198,814,553.82 and 86,657,922.24 is: 129,720,278.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,815,441.76 : 198,814,553.82 = 86,657,922.24 : x
  2. Step 2: Convert to fraction form
    132,815,441.76/198,814,553.82 = 86,657,922.24/x
  3. Step 3: Cross multiply
    132,815,441.76x = 198,814,553.82 × 86,657,922.24
  4. Step 4: Simplify right side
    132,815,441.76x = 17,228,856,145,113,854
  5. Step 5: Solve for x
    x = 17,228,856,145,113,854/132,815,441.76
  6. Step 6: Final answer
    x = 129,720,278.88

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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.