Home / 218,436,998.40-327,230,344.80-131,918,403.60

Finding the Fourth Proportional to 218,436,998.40, 327,230,344.80 and 131,918,403.60

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Solution

The fourth proportional to 218,436,998.40, 327,230,344.80 and 131,918,403.60 is: 197,620,847.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,436,998.40 : 327,230,344.80 = 131,918,403.60 : x
  2. Step 2: Convert to fraction form
    218,436,998.40/327,230,344.80 = 131,918,403.60/x
  3. Step 3: Cross multiply
    218,436,998.40x = 327,230,344.80 × 131,918,403.60
  4. Step 4: Simplify right side
    218,436,998.40x = 43,167,704,695,493,560
  5. Step 5: Solve for x
    x = 43,167,704,695,493,560/218,436,998.40
  6. Step 6: Final answer
    x = 197,620,847.25

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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.