Home / 55,609,892.80-83,414,839.20-38,391,204.40

Finding the Fourth Proportional to 55,609,892.80, 83,414,839.20 and 38,391,204.40

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Solution

The fourth proportional to 55,609,892.80, 83,414,839.20 and 38,391,204.40 is: 57,586,806.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,609,892.80 : 83,414,839.20 = 38,391,204.40 : x
  2. Step 2: Convert to fraction form
    55,609,892.80/83,414,839.20 = 38,391,204.40/x
  3. Step 3: Cross multiply
    55,609,892.80x = 83,414,839.20 × 38,391,204.40
  4. Step 4: Simplify right side
    55,609,892.80x = 3,202,396,141,720,332.50
  5. Step 5: Solve for x
    x = 3,202,396,141,720,332.50/55,609,892.80
  6. Step 6: Final answer
    x = 57,586,806.60

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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.