Home / 217,963,462.20-326,575,217.70-131,520,229.80

Finding the Fourth Proportional to 217,963,462.20, 326,575,217.70 and 131,520,229.80

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Solution

The fourth proportional to 217,963,462.20, 326,575,217.70 and 131,520,229.80 is: 197,057,099.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,963,462.20 : 326,575,217.70 = 131,520,229.80 : x
  2. Step 2: Convert to fraction form
    217,963,462.20/326,575,217.70 = 131,520,229.80/x
  3. Step 3: Cross multiply
    217,963,462.20x = 326,575,217.70 × 131,520,229.80
  4. Step 4: Simplify right side
    217,963,462.20x = 42,951,247,678,889,024
  5. Step 5: Solve for x
    x = 42,951,247,678,889,024/217,963,462.20
  6. Step 6: Final answer
    x = 197,057,099.60

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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.