Home / 40,025,859.48-55,235,733.33-21,691,144.98

Finding the Fourth Proportional to 40,025,859.48, 55,235,733.33 and 21,691,144.98

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Solution

The fourth proportional to 40,025,859.48, 55,235,733.33 and 21,691,144.98 is: 29,933,805.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,025,859.48 : 55,235,733.33 = 21,691,144.98 : x
  2. Step 2: Convert to fraction form
    40,025,859.48/55,235,733.33 = 21,691,144.98/x
  3. Step 3: Cross multiply
    40,025,859.48x = 55,235,733.33 × 21,691,144.98
  4. Step 4: Simplify right side
    40,025,859.48x = 1,198,126,299,737,648.25
  5. Step 5: Solve for x
    x = 1,198,126,299,737,648.25/40,025,859.48
  6. Step 6: Final answer
    x = 29,933,805.68

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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.