Home / 309,115,200.52-426,569,957.94-176,951,816.20

Finding the Fourth Proportional to 309,115,200.52, 426,569,957.94 and 176,951,816.20

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Solution

The fourth proportional to 309,115,200.52, 426,569,957.94 and 176,951,816.20 is: 244,188,343.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,115,200.52 : 426,569,957.94 = 176,951,816.20 : x
  2. Step 2: Convert to fraction form
    309,115,200.52/426,569,957.94 = 176,951,816.20/x
  3. Step 3: Cross multiply
    309,115,200.52x = 426,569,957.94 × 176,951,816.20
  4. Step 4: Simplify right side
    309,115,200.52x = 75,482,328,793,840,608
  5. Step 5: Solve for x
    x = 75,482,328,793,840,608/309,115,200.52
  6. Step 6: Final answer
    x = 244,188,343.59

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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.