Home / 123,855,968.20-185,727,965.10-55,663,558.60

Finding the Fourth Proportional to 123,855,968.20, 185,727,965.10 and 55,663,558.60

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Solution

The fourth proportional to 123,855,968.20, 185,727,965.10 and 55,663,558.60 is: 83,470,176.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,855,968.20 : 185,727,965.10 = 55,663,558.60 : x
  2. Step 2: Convert to fraction form
    123,855,968.20/185,727,965.10 = 55,663,558.60/x
  3. Step 3: Cross multiply
    123,855,968.20x = 185,727,965.10 × 55,663,558.60
  4. Step 4: Simplify right side
    123,855,968.20x = 10,338,279,469,002,604
  5. Step 5: Solve for x
    x = 10,338,279,469,002,604/123,855,968.20
  6. Step 6: Final answer
    x = 83,470,176.04

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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.