Home / 373,976,613.72-561,025,199.16-115,191,713.61

Finding the Fourth Proportional to 373,976,613.72, 561,025,199.16 and 115,191,713.61

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Solution

The fourth proportional to 373,976,613.72, 561,025,199.16 and 115,191,713.61 is: 172,806,137.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,976,613.72 : 561,025,199.16 = 115,191,713.61 : x
  2. Step 2: Convert to fraction form
    373,976,613.72/561,025,199.16 = 115,191,713.61/x
  3. Step 3: Cross multiply
    373,976,613.72x = 561,025,199.16 × 115,191,713.61
  4. Step 4: Simplify right side
    373,976,613.72x = 64,625,454,069,631,928
  5. Step 5: Solve for x
    x = 64,625,454,069,631,928/373,976,613.72
  6. Step 6: Final answer
    x = 172,806,137.33

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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.