Home / 123,661,829.25-185,498,708.85-40,661,743.50

Finding the Fourth Proportional to 123,661,829.25, 185,498,708.85 and 40,661,743.50

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Solution

The fourth proportional to 123,661,829.25, 185,498,708.85 and 40,661,743.50 is: 60,994,576.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,661,829.25 : 185,498,708.85 = 40,661,743.50 : x
  2. Step 2: Convert to fraction form
    123,661,829.25/185,498,708.85 = 40,661,743.50/x
  3. Step 3: Cross multiply
    123,661,829.25x = 185,498,708.85 × 40,661,743.50
  4. Step 4: Simplify right side
    123,661,829.25x = 7,542,700,918,839,880
  5. Step 5: Solve for x
    x = 7,542,700,918,839,880/123,661,829.25
  6. Step 6: Final answer
    x = 60,994,576.62

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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.