Home / 201,548,959.78-278,136,882.42-113,442,906.42

Finding the Fourth Proportional to 201,548,959.78, 278,136,882.42 and 113,442,906.42

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Solution

The fourth proportional to 201,548,959.78, 278,136,882.42 and 113,442,906.42 is: 156,550,826.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,548,959.78 : 278,136,882.42 = 113,442,906.42 : x
  2. Step 2: Convert to fraction form
    201,548,959.78/278,136,882.42 = 113,442,906.42/x
  3. Step 3: Cross multiply
    201,548,959.78x = 278,136,882.42 × 113,442,906.42
  4. Step 4: Simplify right side
    201,548,959.78x = 31,552,656,324,322,604
  5. Step 5: Solve for x
    x = 31,552,656,324,322,604/201,548,959.78
  6. Step 6: Final answer
    x = 156,550,826.95

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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.