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Finding the Fourth Proportional to 272,167,975.80, 408,305,107.80 and 108,377,859.60

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Solution

The fourth proportional to 272,167,975.80, 408,305,107.80 and 108,377,859.60 is: 162,587,951.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,167,975.80 : 408,305,107.80 = 108,377,859.60 : x
  2. Step 2: Convert to fraction form
    272,167,975.80/408,305,107.80 = 108,377,859.60/x
  3. Step 3: Cross multiply
    272,167,975.80x = 408,305,107.80 × 108,377,859.60
  4. Step 4: Simplify right side
    272,167,975.80x = 44,251,233,647,111,264
  5. Step 5: Solve for x
    x = 44,251,233,647,111,264/272,167,975.80
  6. Step 6: Final answer
    x = 162,587,951.49

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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.