Home / 86,016,087.70-129,024,131.55-73,027,057.30

Finding the Fourth Proportional to 86,016,087.70, 129,024,131.55 and 73,027,057.30

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Solution

The fourth proportional to 86,016,087.70, 129,024,131.55 and 73,027,057.30 is: 109,540,585.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,016,087.70 : 129,024,131.55 = 73,027,057.30 : x
  2. Step 2: Convert to fraction form
    86,016,087.70/129,024,131.55 = 73,027,057.30/x
  3. Step 3: Cross multiply
    86,016,087.70x = 129,024,131.55 × 73,027,057.30
  4. Step 4: Simplify right side
    86,016,087.70x = 9,422,252,647,784,588
  5. Step 5: Solve for x
    x = 9,422,252,647,784,588/86,016,087.70
  6. Step 6: Final answer
    x = 109,540,585.95

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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.