Home / 80,939,524.62-121,391,891.76-25,611,744

Finding the Fourth Proportional to 80,939,524.62, 121,391,891.76 and 25,611,744

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Solution

The fourth proportional to 80,939,524.62, 121,391,891.76 and 25,611,744 is: 38,412,111.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,939,524.62 : 121,391,891.76 = 25,611,744 : x
  2. Step 2: Convert to fraction form
    80,939,524.62/121,391,891.76 = 25,611,744/x
  3. Step 3: Cross multiply
    80,939,524.62x = 121,391,891.76 × 25,611,744
  4. Step 4: Simplify right side
    80,939,524.62x = 3,109,058,055,432,829.50
  5. Step 5: Solve for x
    x = 3,109,058,055,432,829.50/80,939,524.62
  6. Step 6: Final answer
    x = 38,412,111.64

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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.