Home / 278,040,395.80-417,060,593.70-73,589,138.20

Finding the Fourth Proportional to 278,040,395.80, 417,060,593.70 and 73,589,138.20

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Solution

The fourth proportional to 278,040,395.80, 417,060,593.70 and 73,589,138.20 is: 110,383,707.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,040,395.80 : 417,060,593.70 = 73,589,138.20 : x
  2. Step 2: Convert to fraction form
    278,040,395.80/417,060,593.70 = 73,589,138.20/x
  3. Step 3: Cross multiply
    278,040,395.80x = 417,060,593.70 × 73,589,138.20
  4. Step 4: Simplify right side
    278,040,395.80x = 30,691,129,667,563,348
  5. Step 5: Solve for x
    x = 30,691,129,667,563,348/278,040,395.80
  6. Step 6: Final answer
    x = 110,383,707.30

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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.