Home / 218,419,871.60-327,629,807.40-103,628,615.60

Finding the Fourth Proportional to 218,419,871.60, 327,629,807.40 and 103,628,615.60

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Solution

The fourth proportional to 218,419,871.60, 327,629,807.40 and 103,628,615.60 is: 155,442,923.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,419,871.60 : 327,629,807.40 = 103,628,615.60 : x
  2. Step 2: Convert to fraction form
    218,419,871.60/327,629,807.40 = 103,628,615.60/x
  3. Step 3: Cross multiply
    218,419,871.60x = 327,629,807.40 × 103,628,615.60
  4. Step 4: Simplify right side
    218,419,871.60x = 33,951,823,370,156,632
  5. Step 5: Solve for x
    x = 33,951,823,370,156,632/218,419,871.60
  6. Step 6: Final answer
    x = 155,442,923.40

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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.