Home / 54,082,856.79-81,067,598.15-19,982,452.95

Finding the Fourth Proportional to 54,082,856.79, 81,067,598.15 and 19,982,452.95

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Solution

The fourth proportional to 54,082,856.79, 81,067,598.15 and 19,982,452.95 is: 29,952,734.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,082,856.79 : 81,067,598.15 = 19,982,452.95 : x
  2. Step 2: Convert to fraction form
    54,082,856.79/81,067,598.15 = 19,982,452.95/x
  3. Step 3: Cross multiply
    54,082,856.79x = 81,067,598.15 × 19,982,452.95
  4. Step 4: Simplify right side
    54,082,856.79x = 1,619,929,465,701,969.75
  5. Step 5: Solve for x
    x = 1,619,929,465,701,969.75/54,082,856.79
  6. Step 6: Final answer
    x = 29,952,734.78

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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.