Home / 143,859,151.41-198,525,255.54-80,278,823.93

Finding the Fourth Proportional to 143,859,151.41, 198,525,255.54 and 80,278,823.93

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Solution

The fourth proportional to 143,859,151.41, 198,525,255.54 and 80,278,823.93 is: 110,784,568.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,859,151.41 : 198,525,255.54 = 80,278,823.93 : x
  2. Step 2: Convert to fraction form
    143,859,151.41/198,525,255.54 = 80,278,823.93/x
  3. Step 3: Cross multiply
    143,859,151.41x = 198,525,255.54 × 80,278,823.93
  4. Step 4: Simplify right side
    143,859,151.41x = 15,937,374,034,361,986
  5. Step 5: Solve for x
    x = 15,937,374,034,361,986/143,859,151.41
  6. Step 6: Final answer
    x = 110,784,568.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.