Home / 87,529,358.06-131,176,677.78-68,122,018.88

Finding the Fourth Proportional to 87,529,358.06, 131,176,677.78 and 68,122,018.88

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Solution

The fourth proportional to 87,529,358.06, 131,176,677.78 and 68,122,018.88 is: 102,091,690.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,529,358.06 : 131,176,677.78 = 68,122,018.88 : x
  2. Step 2: Convert to fraction form
    87,529,358.06/131,176,677.78 = 68,122,018.88/x
  3. Step 3: Cross multiply
    87,529,358.06x = 131,176,677.78 × 68,122,018.88
  4. Step 4: Simplify right side
    87,529,358.06x = 8,936,020,120,344,836
  5. Step 5: Solve for x
    x = 8,936,020,120,344,836/87,529,358.06
  6. Step 6: Final answer
    x = 102,091,690.36

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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.