Home / 192,418,309.89-288,607,604.24-130,566,761.39

Finding the Fourth Proportional to 192,418,309.89, 288,607,604.24 and 130,566,761.39

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Solution

The fourth proportional to 192,418,309.89, 288,607,604.24 and 130,566,761.39 is: 195,836,665.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,418,309.89 : 288,607,604.24 = 130,566,761.39 : x
  2. Step 2: Convert to fraction form
    192,418,309.89/288,607,604.24 = 130,566,761.39/x
  3. Step 3: Cross multiply
    192,418,309.89x = 288,607,604.24 × 130,566,761.39
  4. Step 4: Simplify right side
    192,418,309.89x = 37,682,560,199,191,568
  5. Step 5: Solve for x
    x = 37,682,560,199,191,568/192,418,309.89
  6. Step 6: Final answer
    x = 195,836,665.55

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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.