Home / 74,187,712.20-111,229,728.30-43,879,974.60

Finding the Fourth Proportional to 74,187,712.20, 111,229,728.30 and 43,879,974.60

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Solution

The fourth proportional to 74,187,712.20, 111,229,728.30 and 43,879,974.60 is: 65,789,299.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,187,712.20 : 111,229,728.30 = 43,879,974.60 : x
  2. Step 2: Convert to fraction form
    74,187,712.20/111,229,728.30 = 43,879,974.60/x
  3. Step 3: Cross multiply
    74,187,712.20x = 111,229,728.30 × 43,879,974.60
  4. Step 4: Simplify right side
    74,187,712.20x = 4,880,757,652,568,901
  5. Step 5: Solve for x
    x = 4,880,757,652,568,901/74,187,712.20
  6. Step 6: Final answer
    x = 65,789,299.98

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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.