Home / 83,106,014.40-124,659,021.60-82,255,708.80

Finding the Fourth Proportional to 83,106,014.40, 124,659,021.60 and 82,255,708.80

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Solution

The fourth proportional to 83,106,014.40, 124,659,021.60 and 82,255,708.80 is: 123,383,563.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,106,014.40 : 124,659,021.60 = 82,255,708.80 : x
  2. Step 2: Convert to fraction form
    83,106,014.40/124,659,021.60 = 82,255,708.80/x
  3. Step 3: Cross multiply
    83,106,014.40x = 124,659,021.60 × 82,255,708.80
  4. Step 4: Simplify right side
    83,106,014.40x = 10,253,916,180,022,510
  5. Step 5: Solve for x
    x = 10,253,916,180,022,510/83,106,014.40
  6. Step 6: Final answer
    x = 123,383,563.20

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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.