Home / 80,474,644.88-111,057,692.37-45,198,666.43

Finding the Fourth Proportional to 80,474,644.88, 111,057,692.37 and 45,198,666.43

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Solution

The fourth proportional to 80,474,644.88, 111,057,692.37 and 45,198,666.43 is: 62,375,666.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,474,644.88 : 111,057,692.37 = 45,198,666.43 : x
  2. Step 2: Convert to fraction form
    80,474,644.88/111,057,692.37 = 45,198,666.43/x
  3. Step 3: Cross multiply
    80,474,644.88x = 111,057,692.37 × 45,198,666.43
  4. Step 4: Simplify right side
    80,474,644.88x = 5,019,659,591,724,063
  5. Step 5: Solve for x
    x = 5,019,659,591,724,063/80,474,644.88
  6. Step 6: Final answer
    x = 62,375,666.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.