Home / 373,976,608.72-561,025,191.66-115,191,708.61

Finding the Fourth Proportional to 373,976,608.72, 561,025,191.66 and 115,191,708.61

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Solution

The fourth proportional to 373,976,608.72, 561,025,191.66 and 115,191,708.61 is: 172,806,129.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,976,608.72 : 561,025,191.66 = 115,191,708.61 : x
  2. Step 2: Convert to fraction form
    373,976,608.72/561,025,191.66 = 115,191,708.61/x
  3. Step 3: Cross multiply
    373,976,608.72x = 561,025,191.66 × 115,191,708.61
  4. Step 4: Simplify right side
    373,976,608.72x = 64,625,450,400,568,120
  5. Step 5: Solve for x
    x = 64,625,450,400,568,120/373,976,608.72
  6. Step 6: Final answer
    x = 172,806,129.83

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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.