Home / 217,963,470.20-326,575,229.70-131,520,237.80

Finding the Fourth Proportional to 217,963,470.20, 326,575,229.70 and 131,520,237.80

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Solution

The fourth proportional to 217,963,470.20, 326,575,229.70 and 131,520,237.80 is: 197,057,111.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,963,470.20 : 326,575,229.70 = 131,520,237.80 : x
  2. Step 2: Convert to fraction form
    217,963,470.20/326,575,229.70 = 131,520,237.80/x
  3. Step 3: Cross multiply
    217,963,470.20x = 326,575,229.70 × 131,520,237.80
  4. Step 4: Simplify right side
    217,963,470.20x = 42,951,251,869,733,624
  5. Step 5: Solve for x
    x = 42,951,251,869,733,624/217,963,470.20
  6. Step 6: Final answer
    x = 197,057,111.59

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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.