Home / 154,136,112.79-231,401,470.80-132,415,454.92

Finding the Fourth Proportional to 154,136,112.79, 231,401,470.80 and 132,415,454.92

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Solution

The fourth proportional to 154,136,112.79, 231,401,470.80 and 132,415,454.92 is: 198,792,680.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,136,112.79 : 231,401,470.80 = 132,415,454.92 : x
  2. Step 2: Convert to fraction form
    154,136,112.79/231,401,470.80 = 132,415,454.92/x
  3. Step 3: Cross multiply
    154,136,112.79x = 231,401,470.80 × 132,415,454.92
  4. Step 4: Simplify right side
    154,136,112.79x = 30,641,131,023,982,092
  5. Step 5: Solve for x
    x = 30,641,131,023,982,092/154,136,112.79
  6. Step 6: Final answer
    x = 198,792,680.51

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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.