Home / 259,821,797.88-389,616,212.34-154,826,659.20

Finding the Fourth Proportional to 259,821,797.88, 389,616,212.34 and 154,826,659.20

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Solution

The fourth proportional to 259,821,797.88, 389,616,212.34 and 154,826,659.20 is: 232,170,576.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,821,797.88 : 389,616,212.34 = 154,826,659.20 : x
  2. Step 2: Convert to fraction form
    259,821,797.88/389,616,212.34 = 154,826,659.20/x
  3. Step 3: Cross multiply
    259,821,797.88x = 389,616,212.34 × 154,826,659.20
  4. Step 4: Simplify right side
    259,821,797.88x = 60,322,976,526,760,008
  5. Step 5: Solve for x
    x = 60,322,976,526,760,008/259,821,797.88
  6. Step 6: Final answer
    x = 232,170,576.21

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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.