Home / 193,627,975.88-267,198,811.17-105,520,081.79

Finding the Fourth Proportional to 193,627,975.88, 267,198,811.17 and 105,520,081.79

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Solution

The fourth proportional to 193,627,975.88, 267,198,811.17 and 105,520,081.79 is: 145,613,464.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,627,975.88 : 267,198,811.17 = 105,520,081.79 : x
  2. Step 2: Convert to fraction form
    193,627,975.88/267,198,811.17 = 105,520,081.79/x
  3. Step 3: Cross multiply
    193,627,975.88x = 267,198,811.17 × 105,520,081.79
  4. Step 4: Simplify right side
    193,627,975.88x = 28,194,840,408,849,164
  5. Step 5: Solve for x
    x = 28,194,840,408,849,164/193,627,975.88
  6. Step 6: Final answer
    x = 145,613,464.59

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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.