Home / 87,729,078.78-131,500,306.17-33,118,464.06

Finding the Fourth Proportional to 87,729,078.78, 131,500,306.17 and 33,118,464.06

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Solution

The fourth proportional to 87,729,078.78, 131,500,306.17 and 33,118,464.06 is: 49,642,470.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,729,078.78 : 131,500,306.17 = 33,118,464.06 : x
  2. Step 2: Convert to fraction form
    87,729,078.78/131,500,306.17 = 33,118,464.06/x
  3. Step 3: Cross multiply
    87,729,078.78x = 131,500,306.17 × 33,118,464.06
  4. Step 4: Simplify right side
    87,729,078.78x = 4,355,088,163,770,141
  5. Step 5: Solve for x
    x = 4,355,088,163,770,141/87,729,078.78
  6. Step 6: Final answer
    x = 49,642,470.03

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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.