Home / 201,204,400.15-301,806,600.23-199,291,212.55

Finding the Fourth Proportional to 201,204,400.15, 301,806,600.23 and 199,291,212.55

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Solution

The fourth proportional to 201,204,400.15, 301,806,600.23 and 199,291,212.55 is: 298,936,818.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,204,400.15 : 301,806,600.23 = 199,291,212.55 : x
  2. Step 2: Convert to fraction form
    201,204,400.15/301,806,600.23 = 199,291,212.55/x
  3. Step 3: Cross multiply
    201,204,400.15x = 301,806,600.23 × 199,291,212.55
  4. Step 4: Simplify right side
    201,204,400.15x = 60,147,403,315,429,816
  5. Step 5: Solve for x
    x = 60,147,403,315,429,816/201,204,400.15
  6. Step 6: Final answer
    x = 298,936,818.83

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.