Home / 87,505,377.30-131,258,065.95-55,052,046.90

Finding the Fourth Proportional to 87,505,377.30, 131,258,065.95 and 55,052,046.90

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Solution

The fourth proportional to 87,505,377.30, 131,258,065.95 and 55,052,046.90 is: 82,578,070.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,505,377.30 : 131,258,065.95 = 55,052,046.90 : x
  2. Step 2: Convert to fraction form
    87,505,377.30/131,258,065.95 = 55,052,046.90/x
  3. Step 3: Cross multiply
    87,505,377.30x = 131,258,065.95 × 55,052,046.90
  4. Step 4: Simplify right side
    87,505,377.30x = 7,226,025,202,682,693
  5. Step 5: Solve for x
    x = 7,226,025,202,682,693/87,505,377.30
  6. Step 6: Final answer
    x = 82,578,070.35

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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.