Home / 218,419,840.60-327,629,760.90-103,628,584.60

Finding the Fourth Proportional to 218,419,840.60, 327,629,760.90 and 103,628,584.60

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Solution

The fourth proportional to 218,419,840.60, 327,629,760.90 and 103,628,584.60 is: 155,442,876.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,419,840.60 : 327,629,760.90 = 103,628,584.60 : x
  2. Step 2: Convert to fraction form
    218,419,840.60/327,629,760.90 = 103,628,584.60/x
  3. Step 3: Cross multiply
    218,419,840.60x = 327,629,760.90 × 103,628,584.60
  4. Step 4: Simplify right side
    218,419,840.60x = 33,951,808,394,903,416
  5. Step 5: Solve for x
    x = 33,951,808,394,903,416/218,419,840.60
  6. Step 6: Final answer
    x = 155,442,876.90

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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.