Home / 217,963,467.20-326,575,225.20-131,520,234.80

Finding the Fourth Proportional to 217,963,467.20, 326,575,225.20 and 131,520,234.80

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Solution

The fourth proportional to 217,963,467.20, 326,575,225.20 and 131,520,234.80 is: 197,057,107.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,963,467.20 : 326,575,225.20 = 131,520,234.80 : x
  2. Step 2: Convert to fraction form
    217,963,467.20/326,575,225.20 = 131,520,234.80/x
  3. Step 3: Cross multiply
    217,963,467.20x = 326,575,225.20 × 131,520,234.80
  4. Step 4: Simplify right side
    217,963,467.20x = 42,951,250,298,166,872
  5. Step 5: Solve for x
    x = 42,951,250,298,166,872/217,963,467.20
  6. Step 6: Final answer
    x = 197,057,107.09

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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.