Home / 217,744,218.60-326,616,327.90-108,905,101.80

Finding the Fourth Proportional to 217,744,218.60, 326,616,327.90 and 108,905,101.80

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Solution

The fourth proportional to 217,744,218.60, 326,616,327.90 and 108,905,101.80 is: 163,357,652.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,744,218.60 : 326,616,327.90 = 108,905,101.80 : x
  2. Step 2: Convert to fraction form
    217,744,218.60/326,616,327.90 = 108,905,101.80/x
  3. Step 3: Cross multiply
    217,744,218.60x = 326,616,327.90 × 108,905,101.80
  4. Step 4: Simplify right side
    217,744,218.60x = 35,570,184,439,491,676
  5. Step 5: Solve for x
    x = 35,570,184,439,491,676/217,744,218.60
  6. Step 6: Final answer
    x = 163,357,652.70

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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.