Home / 123,661,378.92-185,498,033.76-40,661,293.68

Finding the Fourth Proportional to 123,661,378.92, 185,498,033.76 and 40,661,293.68

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Solution

The fourth proportional to 123,661,378.92, 185,498,033.76 and 40,661,293.68 is: 60,993,902.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,661,378.92 : 185,498,033.76 = 40,661,293.68 : x
  2. Step 2: Convert to fraction form
    123,661,378.92/185,498,033.76 = 40,661,293.68/x
  3. Step 3: Cross multiply
    123,661,378.92x = 185,498,033.76 × 40,661,293.68
  4. Step 4: Simplify right side
    123,661,378.92x = 7,542,590,027,777,914
  5. Step 5: Solve for x
    x = 7,542,590,027,777,914/123,661,378.92
  6. Step 6: Final answer
    x = 60,993,902.01

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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.