Home / 217,920,635.52-326,886,999.12-54,151,776.96

Finding the Fourth Proportional to 217,920,635.52, 326,886,999.12 and 54,151,776.96

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Solution

The fourth proportional to 217,920,635.52, 326,886,999.12 and 54,151,776.96 is: 81,229,167.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,920,635.52 : 326,886,999.12 = 54,151,776.96 : x
  2. Step 2: Convert to fraction form
    217,920,635.52/326,886,999.12 = 54,151,776.96/x
  3. Step 3: Cross multiply
    217,920,635.52x = 326,886,999.12 × 54,151,776.96
  4. Step 4: Simplify right side
    217,920,635.52x = 17,701,511,867,469,956
  5. Step 5: Solve for x
    x = 17,701,511,867,469,956/217,920,635.52
  6. Step 6: Final answer
    x = 81,229,167.79

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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.