Home / 132,055,169.40-198,082,754.10-67,485,087.90

Finding the Fourth Proportional to 132,055,169.40, 198,082,754.10 and 67,485,087.90

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Solution

The fourth proportional to 132,055,169.40, 198,082,754.10 and 67,485,087.90 is: 101,227,631.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,055,169.40 : 198,082,754.10 = 67,485,087.90 : x
  2. Step 2: Convert to fraction form
    132,055,169.40/198,082,754.10 = 67,485,087.90/x
  3. Step 3: Cross multiply
    132,055,169.40x = 198,082,754.10 × 67,485,087.90
  4. Step 4: Simplify right side
    132,055,169.40x = 13,367,632,071,912,586
  5. Step 5: Solve for x
    x = 13,367,632,071,912,586/132,055,169.40
  6. Step 6: Final answer
    x = 101,227,631.85

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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.