Home / 87,979,243.80-132,031,851.30-49,600,018.20

Finding the Fourth Proportional to 87,979,243.80, 132,031,851.30 and 49,600,018.20

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Solution

The fourth proportional to 87,979,243.80, 132,031,851.30 and 49,600,018.20 is: 74,435,536.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,979,243.80 : 132,031,851.30 = 49,600,018.20 : x
  2. Step 2: Convert to fraction form
    87,979,243.80/132,031,851.30 = 49,600,018.20/x
  3. Step 3: Cross multiply
    87,979,243.80x = 132,031,851.30 × 49,600,018.20
  4. Step 4: Simplify right side
    87,979,243.80x = 6,548,782,227,459,694
  5. Step 5: Solve for x
    x = 6,548,782,227,459,694/87,979,243.80
  6. Step 6: Final answer
    x = 74,435,536.66

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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.