Home / 202,098,428.40-303,147,642.60-137,528,346.90

Finding the Fourth Proportional to 202,098,428.40, 303,147,642.60 and 137,528,346.90

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Solution

The fourth proportional to 202,098,428.40, 303,147,642.60 and 137,528,346.90 is: 206,292,520.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,098,428.40 : 303,147,642.60 = 137,528,346.90 : x
  2. Step 2: Convert to fraction form
    202,098,428.40/303,147,642.60 = 137,528,346.90/x
  3. Step 3: Cross multiply
    202,098,428.40x = 303,147,642.60 × 137,528,346.90
  4. Step 4: Simplify right side
    202,098,428.40x = 41,691,394,153,410,024
  5. Step 5: Solve for x
    x = 41,691,394,153,410,024/202,098,428.40
  6. Step 6: Final answer
    x = 206,292,520.35

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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.