Home / 86,016,092.20-129,024,138.30-73,027,061.80

Finding the Fourth Proportional to 86,016,092.20, 129,024,138.30 and 73,027,061.80

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Solution

The fourth proportional to 86,016,092.20, 129,024,138.30 and 73,027,061.80 is: 109,540,592.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,016,092.20 : 129,024,138.30 = 73,027,061.80 : x
  2. Step 2: Convert to fraction form
    86,016,092.20/129,024,138.30 = 73,027,061.80/x
  3. Step 3: Cross multiply
    86,016,092.20x = 129,024,138.30 × 73,027,061.80
  4. Step 4: Simplify right side
    86,016,092.20x = 9,422,253,721,325,846
  5. Step 5: Solve for x
    x = 9,422,253,721,325,846/86,016,092.20
  6. Step 6: Final answer
    x = 109,540,592.70

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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.