Home / 47,840,743.40-71,761,115.10-45,321,319.40

Finding the Fourth Proportional to 47,840,743.40, 71,761,115.10 and 45,321,319.40

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Solution

The fourth proportional to 47,840,743.40, 71,761,115.10 and 45,321,319.40 is: 67,981,979.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,840,743.40 : 71,761,115.10 = 45,321,319.40 : x
  2. Step 2: Convert to fraction form
    47,840,743.40/71,761,115.10 = 45,321,319.40/x
  3. Step 3: Cross multiply
    47,840,743.40x = 71,761,115.10 × 45,321,319.40
  4. Step 4: Simplify right side
    47,840,743.40x = 3,252,308,417,947,262.50
  5. Step 5: Solve for x
    x = 3,252,308,417,947,262.50/47,840,743.40
  6. Step 6: Final answer
    x = 67,981,979.10

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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.