Home / 72,541,127.88-108,854,207.10-52,048,762.92

Finding the Fourth Proportional to 72,541,127.88, 108,854,207.10 and 52,048,762.92

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Solution

The fourth proportional to 72,541,127.88, 108,854,207.10 and 52,048,762.92 is: 78,103,649.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,541,127.88 : 108,854,207.10 = 52,048,762.92 : x
  2. Step 2: Convert to fraction form
    72,541,127.88/108,854,207.10 = 52,048,762.92/x
  3. Step 3: Cross multiply
    72,541,127.88x = 108,854,207.10 × 52,048,762.92
  4. Step 4: Simplify right side
    72,541,127.88x = 5,665,726,818,192,481
  5. Step 5: Solve for x
    x = 5,665,726,818,192,481/72,541,127.88
  6. Step 6: Final answer
    x = 78,103,649.39

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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.