Home / 54,306,927.90-81,491,884.65-20,231,718.30

Finding the Fourth Proportional to 54,306,927.90, 81,491,884.65 and 20,231,718.30

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Solution

The fourth proportional to 54,306,927.90, 81,491,884.65 and 20,231,718.30 is: 30,359,309.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,306,927.90 : 81,491,884.65 = 20,231,718.30 : x
  2. Step 2: Convert to fraction form
    54,306,927.90/81,491,884.65 = 20,231,718.30/x
  3. Step 3: Cross multiply
    54,306,927.90x = 81,491,884.65 × 20,231,718.30
  4. Step 4: Simplify right side
    54,306,927.90x = 1,648,720,853,974,894.25
  5. Step 5: Solve for x
    x = 1,648,720,853,974,894.25/54,306,927.90
  6. Step 6: Final answer
    x = 30,359,309.90

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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.