Home / 71,965,925.78-107,948,801.79-23,443,700.42

Finding the Fourth Proportional to 71,965,925.78, 107,948,801.79 and 23,443,700.42

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Solution

The fourth proportional to 71,965,925.78, 107,948,801.79 and 23,443,700.42 is: 35,165,522.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,965,925.78 : 107,948,801.79 = 23,443,700.42 : x
  2. Step 2: Convert to fraction form
    71,965,925.78/107,948,801.79 = 23,443,700.42/x
  3. Step 3: Cross multiply
    71,965,925.78x = 107,948,801.79 × 23,443,700.42
  4. Step 4: Simplify right side
    71,965,925.78x = 2,530,719,369,862,720
  5. Step 5: Solve for x
    x = 2,530,719,369,862,720/71,965,925.78
  6. Step 6: Final answer
    x = 35,165,522.33

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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.