Home / 218,419,856.35-327,629,784.53-103,628,600.35

Finding the Fourth Proportional to 218,419,856.35, 327,629,784.53 and 103,628,600.35

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Solution

The fourth proportional to 218,419,856.35, 327,629,784.53 and 103,628,600.35 is: 155,442,900.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,419,856.35 : 327,629,784.53 = 103,628,600.35 : x
  2. Step 2: Convert to fraction form
    218,419,856.35/327,629,784.53 = 103,628,600.35/x
  3. Step 3: Cross multiply
    218,419,856.35x = 327,629,784.53 × 103,628,600.35
  4. Step 4: Simplify right side
    218,419,856.35x = 33,951,816,003,297,836
  5. Step 5: Solve for x
    x = 33,951,816,003,297,836/218,419,856.35
  6. Step 6: Final answer
    x = 155,442,900.53

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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.