Home / 193,942,861.75-267,646,834.13-105,842,524.06

Finding the Fourth Proportional to 193,942,861.75, 267,646,834.13 and 105,842,524.06

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Solution

The fourth proportional to 193,942,861.75, 267,646,834.13 and 105,842,524.06 is: 146,065,785.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,942,861.75 : 267,646,834.13 = 105,842,524.06 : x
  2. Step 2: Convert to fraction form
    193,942,861.75/267,646,834.13 = 105,842,524.06/x
  3. Step 3: Cross multiply
    193,942,861.75x = 267,646,834.13 × 105,842,524.06
  4. Step 4: Simplify right side
    193,942,861.75x = 28,328,416,480,987,356
  5. Step 5: Solve for x
    x = 28,328,416,480,987,356/193,942,861.75
  6. Step 6: Final answer
    x = 146,065,785.69

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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.