Home / 82,327,995.70-123,491,993.55-21,743,721.70

Finding the Fourth Proportional to 82,327,995.70, 123,491,993.55 and 21,743,721.70

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Solution

The fourth proportional to 82,327,995.70, 123,491,993.55 and 21,743,721.70 is: 32,615,582.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,327,995.70 : 123,491,993.55 = 21,743,721.70 : x
  2. Step 2: Convert to fraction form
    82,327,995.70/123,491,993.55 = 21,743,721.70/x
  3. Step 3: Cross multiply
    82,327,995.70x = 123,491,993.55 × 21,743,721.70
  4. Step 4: Simplify right side
    82,327,995.70x = 2,685,175,539,929,395
  5. Step 5: Solve for x
    x = 2,685,175,539,929,395/82,327,995.70
  6. Step 6: Final answer
    x = 32,615,582.55

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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.