Home / 217,731,246.40-326,624,863.20-108,612,193.60

Finding the Fourth Proportional to 217,731,246.40, 326,624,863.20 and 108,612,193.60

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Solution

The fourth proportional to 217,731,246.40, 326,624,863.20 and 108,612,193.60 is: 162,932,254.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,731,246.40 : 326,624,863.20 = 108,612,193.60 : x
  2. Step 2: Convert to fraction form
    217,731,246.40/326,624,863.20 = 108,612,193.60/x
  3. Step 3: Cross multiply
    217,731,246.40x = 326,624,863.20 × 108,612,193.60
  4. Step 4: Simplify right side
    217,731,246.40x = 35,475,442,876,451,912
  5. Step 5: Solve for x
    x = 35,475,442,876,451,912/217,731,246.40
  6. Step 6: Final answer
    x = 162,932,254.62

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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.