Home / 68,949,043.12-95,150,321.31-38,010,319.56

Finding the Fourth Proportional to 68,949,043.12, 95,150,321.31 and 38,010,319.56

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Solution

The fourth proportional to 68,949,043.12, 95,150,321.31 and 38,010,319.56 is: 52,454,594.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,949,043.12 : 95,150,321.31 = 38,010,319.56 : x
  2. Step 2: Convert to fraction form
    68,949,043.12/95,150,321.31 = 38,010,319.56/x
  3. Step 3: Cross multiply
    68,949,043.12x = 95,150,321.31 × 38,010,319.56
  4. Step 4: Simplify right side
    68,949,043.12x = 3,616,694,119,229,778
  5. Step 5: Solve for x
    x = 3,616,694,119,229,778/68,949,043.12
  6. Step 6: Final answer
    x = 52,454,594.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.