Home / 202,098,419.40-303,147,629.10-137,528,337.90

Finding the Fourth Proportional to 202,098,419.40, 303,147,629.10 and 137,528,337.90

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Solution

The fourth proportional to 202,098,419.40, 303,147,629.10 and 137,528,337.90 is: 206,292,506.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,098,419.40 : 303,147,629.10 = 137,528,337.90 : x
  2. Step 2: Convert to fraction form
    202,098,419.40/303,147,629.10 = 137,528,337.90/x
  3. Step 3: Cross multiply
    202,098,419.40x = 303,147,629.10 × 137,528,337.90
  4. Step 4: Simplify right side
    202,098,419.40x = 41,691,389,568,448,680
  5. Step 5: Solve for x
    x = 41,691,389,568,448,680/202,098,419.40
  6. Step 6: Final answer
    x = 206,292,506.85

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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.