Home / 132,192,001.70-198,288,002.55-91,377,332.90

Finding the Fourth Proportional to 132,192,001.70, 198,288,002.55 and 91,377,332.90

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Solution

The fourth proportional to 132,192,001.70, 198,288,002.55 and 91,377,332.90 is: 137,065,999.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,192,001.70 : 198,288,002.55 = 91,377,332.90 : x
  2. Step 2: Convert to fraction form
    132,192,001.70/198,288,002.55 = 91,377,332.90/x
  3. Step 3: Cross multiply
    132,192,001.70x = 198,288,002.55 × 91,377,332.90
  4. Step 4: Simplify right side
    132,192,001.70x = 18,119,028,819,087,400
  5. Step 5: Solve for x
    x = 18,119,028,819,087,400/132,192,001.70
  6. Step 6: Final answer
    x = 137,065,999.35

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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.