Home / 82,945,200.40-124,417,800.60-52,687,229.20

Finding the Fourth Proportional to 82,945,200.40, 124,417,800.60 and 52,687,229.20

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Solution

The fourth proportional to 82,945,200.40, 124,417,800.60 and 52,687,229.20 is: 79,030,843.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,945,200.40 : 124,417,800.60 = 52,687,229.20 : x
  2. Step 2: Convert to fraction form
    82,945,200.40/124,417,800.60 = 52,687,229.20/x
  3. Step 3: Cross multiply
    82,945,200.40x = 124,417,800.60 × 52,687,229.20
  4. Step 4: Simplify right side
    82,945,200.40x = 6,555,229,176,772,098
  5. Step 5: Solve for x
    x = 6,555,229,176,772,098/82,945,200.40
  6. Step 6: Final answer
    x = 79,030,843.80

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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.