Home / 217,907,337.60-326,861,006.40-178,940,246.40

Finding the Fourth Proportional to 217,907,337.60, 326,861,006.40 and 178,940,246.40

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Solution

The fourth proportional to 217,907,337.60, 326,861,006.40 and 178,940,246.40 is: 268,410,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,907,337.60 : 326,861,006.40 = 178,940,246.40 : x
  2. Step 2: Convert to fraction form
    217,907,337.60/326,861,006.40 = 178,940,246.40/x
  3. Step 3: Cross multiply
    217,907,337.60x = 326,861,006.40 × 178,940,246.40
  4. Step 4: Simplify right side
    217,907,337.60x = 58,488,589,023,767,976
  5. Step 5: Solve for x
    x = 58,488,589,023,767,976/217,907,337.60
  6. Step 6: Final answer
    x = 268,410,369.60

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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.