Home / 84,691,204.40-127,036,806.60-82,990,593.20

Finding the Fourth Proportional to 84,691,204.40, 127,036,806.60 and 82,990,593.20

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Solution

The fourth proportional to 84,691,204.40, 127,036,806.60 and 82,990,593.20 is: 124,485,889.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,691,204.40 : 127,036,806.60 = 82,990,593.20 : x
  2. Step 2: Convert to fraction form
    84,691,204.40/127,036,806.60 = 82,990,593.20/x
  3. Step 3: Cross multiply
    84,691,204.40x = 127,036,806.60 × 82,990,593.20
  4. Step 4: Simplify right side
    84,691,204.40x = 10,542,859,937,967,676
  5. Step 5: Solve for x
    x = 10,542,859,937,967,676/84,691,204.40
  6. Step 6: Final answer
    x = 124,485,889.80

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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.