Home / 74,414,791.20-111,622,186.80-54,259,399.20

Finding the Fourth Proportional to 74,414,791.20, 111,622,186.80 and 54,259,399.20

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Solution

The fourth proportional to 74,414,791.20, 111,622,186.80 and 54,259,399.20 is: 81,389,098.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,414,791.20 : 111,622,186.80 = 54,259,399.20 : x
  2. Step 2: Convert to fraction form
    74,414,791.20/111,622,186.80 = 54,259,399.20/x
  3. Step 3: Cross multiply
    74,414,791.20x = 111,622,186.80 × 54,259,399.20
  4. Step 4: Simplify right side
    74,414,791.20x = 6,056,552,793,158,171
  5. Step 5: Solve for x
    x = 6,056,552,793,158,171/74,414,791.20
  6. Step 6: Final answer
    x = 81,389,098.80

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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.