Home / 87,321,877.92-130,954,474.08-29,013,896.88

Finding the Fourth Proportional to 87,321,877.92, 130,954,474.08 and 29,013,896.88

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Solution

The fourth proportional to 87,321,877.92, 130,954,474.08 and 29,013,896.88 is: 43,511,428.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,321,877.92 : 130,954,474.08 = 29,013,896.88 : x
  2. Step 2: Convert to fraction form
    87,321,877.92/130,954,474.08 = 29,013,896.88/x
  3. Step 3: Cross multiply
    87,321,877.92x = 130,954,474.08 × 29,013,896.88
  4. Step 4: Simplify right side
    87,321,877.92x = 3,799,499,606,931,752.50
  5. Step 5: Solve for x
    x = 3,799,499,606,931,752.50/87,321,877.92
  6. Step 6: Final answer
    x = 43,511,428.03

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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.