Home / 132,284,868.78-198,414,474.13-40,169,404.73

Finding the Fourth Proportional to 132,284,868.78, 198,414,474.13 and 40,169,404.73

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Solution

The fourth proportional to 132,284,868.78, 198,414,474.13 and 40,169,404.73 is: 60,250,211.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,284,868.78 : 198,414,474.13 = 40,169,404.73 : x
  2. Step 2: Convert to fraction form
    132,284,868.78/198,414,474.13 = 40,169,404.73/x
  3. Step 3: Cross multiply
    132,284,868.78x = 198,414,474.13 × 40,169,404.73
  4. Step 4: Simplify right side
    132,284,868.78x = 7,970,191,315,618,084
  5. Step 5: Solve for x
    x = 7,970,191,315,618,084/132,284,868.78
  6. Step 6: Final answer
    x = 60,250,211.45

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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.