Home / 40,377,569.45-55,720,761.75-22,042,854.95

Finding the Fourth Proportional to 40,377,569.45, 55,720,761.75 and 22,042,854.95

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Solution

The fourth proportional to 40,377,569.45, 55,720,761.75 and 22,042,854.95 is: 30,418,984.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,377,569.45 : 55,720,761.75 = 22,042,854.95 : x
  2. Step 2: Convert to fraction form
    40,377,569.45/55,720,761.75 = 22,042,854.95/x
  3. Step 3: Cross multiply
    40,377,569.45x = 55,720,761.75 × 22,042,854.95
  4. Step 4: Simplify right side
    40,377,569.45x = 1,228,244,668,680,154.25
  5. Step 5: Solve for x
    x = 1,228,244,668,680,154.25/40,377,569.45
  6. Step 6: Final answer
    x = 30,418,984.74

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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.