Home / 149,040,791.37-223,656,845.75-72,321,968.61

Finding the Fourth Proportional to 149,040,791.37, 223,656,845.75 and 72,321,968.61

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Solution

The fourth proportional to 149,040,791.37, 223,656,845.75 and 72,321,968.61 is: 108,529,371.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,040,791.37 : 223,656,845.75 = 72,321,968.61 : x
  2. Step 2: Convert to fraction form
    149,040,791.37/223,656,845.75 = 72,321,968.61/x
  3. Step 3: Cross multiply
    149,040,791.37x = 223,656,845.75 × 72,321,968.61
  4. Step 4: Simplify right side
    149,040,791.37x = 16,175,303,377,855,934
  5. Step 5: Solve for x
    x = 16,175,303,377,855,934/149,040,791.37
  6. Step 6: Final answer
    x = 108,529,371.25

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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.