Home / 147,336,515.46-220,940,612.97-42,268,675.78

Finding the Fourth Proportional to 147,336,515.46, 220,940,612.97 and 42,268,675.78

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Solution

The fourth proportional to 147,336,515.46, 220,940,612.97 and 42,268,675.78 is: 63,384,607.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,336,515.46 : 220,940,612.97 = 42,268,675.78 : x
  2. Step 2: Convert to fraction form
    147,336,515.46/220,940,612.97 = 42,268,675.78/x
  3. Step 3: Cross multiply
    147,336,515.46x = 220,940,612.97 × 42,268,675.78
  4. Step 4: Simplify right side
    147,336,515.46x = 9,338,867,135,711,042
  5. Step 5: Solve for x
    x = 9,338,867,135,711,042/147,336,515.46
  6. Step 6: Final answer
    x = 63,384,607.04

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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.