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Finding the Fourth Proportional to 73,987,354.80, 110,981,032.20 and 22,874,540.40

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Solution

The fourth proportional to 73,987,354.80, 110,981,032.20 and 22,874,540.40 is: 34,311,810.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,987,354.80 : 110,981,032.20 = 22,874,540.40 : x
  2. Step 2: Convert to fraction form
    73,987,354.80/110,981,032.20 = 22,874,540.40/x
  3. Step 3: Cross multiply
    73,987,354.80x = 110,981,032.20 × 22,874,540.40
  4. Step 4: Simplify right side
    73,987,354.80x = 2,538,640,104,692,601
  5. Step 5: Solve for x
    x = 2,538,640,104,692,601/73,987,354.80
  6. Step 6: Final answer
    x = 34,311,810.60

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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.