Home / 80,890,642.13-111,629,479.82-44,221,213.13

Finding the Fourth Proportional to 80,890,642.13, 111,629,479.82 and 44,221,213.13

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Solution

The fourth proportional to 80,890,642.13, 111,629,479.82 and 44,221,213.13 is: 61,025,489.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,890,642.13 : 111,629,479.82 = 44,221,213.13 : x
  2. Step 2: Convert to fraction form
    80,890,642.13/111,629,479.82 = 44,221,213.13/x
  3. Step 3: Cross multiply
    80,890,642.13x = 111,629,479.82 × 44,221,213.13
  4. Step 4: Simplify right side
    80,890,642.13x = 4,936,391,017,932,000
  5. Step 5: Solve for x
    x = 4,936,391,017,932,000/80,890,642.13
  6. Step 6: Final answer
    x = 61,025,489.33

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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.