Home / 103,573,321.85-142,930,891.85-57,163,243.66

Finding the Fourth Proportional to 103,573,321.85, 142,930,891.85 and 57,163,243.66

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Solution

The fourth proportional to 103,573,321.85, 142,930,891.85 and 57,163,243.66 is: 78,885,114.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,573,321.85 : 142,930,891.85 = 57,163,243.66 : x
  2. Step 2: Convert to fraction form
    103,573,321.85/142,930,891.85 = 57,163,243.66/x
  3. Step 3: Cross multiply
    103,573,321.85x = 142,930,891.85 × 57,163,243.66
  4. Step 4: Simplify right side
    103,573,321.85x = 8,170,393,396,719,514
  5. Step 5: Solve for x
    x = 8,170,393,396,719,514/103,573,321.85
  6. Step 6: Final answer
    x = 78,885,114.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.