Home / 198,179,686.20-297,269,529.30-129,304,932.60

Finding the Fourth Proportional to 198,179,686.20, 297,269,529.30 and 129,304,932.60

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Solution

The fourth proportional to 198,179,686.20, 297,269,529.30 and 129,304,932.60 is: 193,957,398.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,179,686.20 : 297,269,529.30 = 129,304,932.60 : x
  2. Step 2: Convert to fraction form
    198,179,686.20/297,269,529.30 = 129,304,932.60/x
  3. Step 3: Cross multiply
    198,179,686.20x = 297,269,529.30 × 129,304,932.60
  4. Step 4: Simplify right side
    198,179,686.20x = 38,438,416,450,170,224
  5. Step 5: Solve for x
    x = 38,438,416,450,170,224/198,179,686.20
  6. Step 6: Final answer
    x = 193,957,398.90

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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.