Home / 132,284,900.52-198,414,521.46-40,169,436.30

Finding the Fourth Proportional to 132,284,900.52, 198,414,521.46 and 40,169,436.30

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Solution

The fourth proportional to 132,284,900.52, 198,414,521.46 and 40,169,436.30 is: 60,250,258.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,284,900.52 : 198,414,521.46 = 40,169,436.30 : x
  2. Step 2: Convert to fraction form
    132,284,900.52/198,414,521.46 = 40,169,436.30/x
  3. Step 3: Cross multiply
    132,284,900.52x = 198,414,521.46 × 40,169,436.30
  4. Step 4: Simplify right side
    132,284,900.52x = 7,970,199,480,782,453
  5. Step 5: Solve for x
    x = 7,970,199,480,782,453/132,284,900.52
  6. Step 6: Final answer
    x = 60,250,258.72

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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.