Home / 217,948,861.60-326,760,579.60-131,669,087.20

Finding the Fourth Proportional to 217,948,861.60, 326,760,579.60 and 131,669,087.20

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Solution

The fourth proportional to 217,948,861.60, 326,760,579.60 and 131,669,087.20 is: 197,405,331.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,948,861.60 : 326,760,579.60 = 131,669,087.20 : x
  2. Step 2: Convert to fraction form
    217,948,861.60/326,760,579.60 = 131,669,087.20/x
  3. Step 3: Cross multiply
    217,948,861.60x = 326,760,579.60 × 131,669,087.20
  4. Step 4: Simplify right side
    217,948,861.60x = 43,024,267,248,874,944
  5. Step 5: Solve for x
    x = 43,024,267,248,874,944/217,948,861.60
  6. Step 6: Final answer
    x = 197,405,331.38

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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.