Home / 47,840,754.90-71,761,132.35-45,321,330.90

Finding the Fourth Proportional to 47,840,754.90, 71,761,132.35 and 45,321,330.90

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Solution

The fourth proportional to 47,840,754.90, 71,761,132.35 and 45,321,330.90 is: 67,981,996.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,840,754.90 : 71,761,132.35 = 45,321,330.90 : x
  2. Step 2: Convert to fraction form
    47,840,754.90/71,761,132.35 = 45,321,330.90/x
  3. Step 3: Cross multiply
    47,840,754.90x = 71,761,132.35 × 45,321,330.90
  4. Step 4: Simplify right side
    47,840,754.90x = 3,252,310,024,993,044
  5. Step 5: Solve for x
    x = 3,252,310,024,993,044/47,840,754.90
  6. Step 6: Final answer
    x = 67,981,996.35

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Similar ratio
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1.5x scale

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.