Home / 87,178,060.22-130,767,253.13-81,851,027.58

Finding the Fourth Proportional to 87,178,060.22, 130,767,253.13 and 81,851,027.58

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Solution

The fourth proportional to 87,178,060.22, 130,767,253.13 and 81,851,027.58 is: 122,776,694.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,178,060.22 : 130,767,253.13 = 81,851,027.58 : x
  2. Step 2: Convert to fraction form
    87,178,060.22/130,767,253.13 = 81,851,027.58/x
  3. Step 3: Cross multiply
    87,178,060.22x = 130,767,253.13 × 81,851,027.58
  4. Step 4: Simplify right side
    87,178,060.22x = 10,703,434,042,709,098
  5. Step 5: Solve for x
    x = 10,703,434,042,709,098/87,178,060.22
  6. Step 6: Final answer
    x = 122,776,694.23

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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.