Home / 72,114,143.60-108,279,275.17-62,428,631.38

Finding the Fourth Proportional to 72,114,143.60, 108,279,275.17 and 62,428,631.38

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Solution

The fourth proportional to 72,114,143.60, 108,279,275.17 and 62,428,631.38 is: 93,736,493.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,114,143.60 : 108,279,275.17 = 62,428,631.38 : x
  2. Step 2: Convert to fraction form
    72,114,143.60/108,279,275.17 = 62,428,631.38/x
  3. Step 3: Cross multiply
    72,114,143.60x = 108,279,275.17 × 62,428,631.38
  4. Step 4: Simplify right side
    72,114,143.60x = 6,759,726,955,488,854
  5. Step 5: Solve for x
    x = 6,759,726,955,488,854/72,114,143.60
  6. Step 6: Final answer
    x = 93,736,493.53

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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.