Home / 278,040,300.30-417,060,450.45-73,589,042.70

Finding the Fourth Proportional to 278,040,300.30, 417,060,450.45 and 73,589,042.70

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Solution

The fourth proportional to 278,040,300.30, 417,060,450.45 and 73,589,042.70 is: 110,383,564.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,040,300.30 : 417,060,450.45 = 73,589,042.70 : x
  2. Step 2: Convert to fraction form
    278,040,300.30/417,060,450.45 = 73,589,042.70/x
  3. Step 3: Cross multiply
    278,040,300.30x = 417,060,450.45 × 73,589,042.70
  4. Step 4: Simplify right side
    278,040,300.30x = 30,691,079,296,646,284
  5. Step 5: Solve for x
    x = 30,691,079,296,646,284/278,040,300.30
  6. Step 6: Final answer
    x = 110,383,564.05

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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.