Home / 132,284,867.78-198,414,472.63-40,169,403.73

Finding the Fourth Proportional to 132,284,867.78, 198,414,472.63 and 40,169,403.73

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Solution

The fourth proportional to 132,284,867.78, 198,414,472.63 and 40,169,403.73 is: 60,250,209.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,284,867.78 : 198,414,472.63 = 40,169,403.73 : x
  2. Step 2: Convert to fraction form
    132,284,867.78/198,414,472.63 = 40,169,403.73/x
  3. Step 3: Cross multiply
    132,284,867.78x = 198,414,472.63 × 40,169,403.73
  4. Step 4: Simplify right side
    132,284,867.78x = 7,970,191,056,949,504
  5. Step 5: Solve for x
    x = 7,970,191,056,949,504/132,284,867.78
  6. Step 6: Final answer
    x = 60,250,209.95

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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.