Home / 119,344,005.20-178,848,046.20-88,397,080.40

Finding the Fourth Proportional to 119,344,005.20, 178,848,046.20 and 88,397,080.40

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Solution

The fourth proportional to 119,344,005.20, 178,848,046.20 and 88,397,080.40 is: 132,471,212.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,344,005.20 : 178,848,046.20 = 88,397,080.40 : x
  2. Step 2: Convert to fraction form
    119,344,005.20/178,848,046.20 = 88,397,080.40/x
  3. Step 3: Cross multiply
    119,344,005.20x = 178,848,046.20 × 88,397,080.40
  4. Step 4: Simplify right side
    119,344,005.20x = 15,809,645,119,324,314
  5. Step 5: Solve for x
    x = 15,809,645,119,324,314/119,344,005.20
  6. Step 6: Final answer
    x = 132,471,212.88

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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.