Home / 257,887,640.88-355,910,052.60-192,584,170.80

Finding the Fourth Proportional to 257,887,640.88, 355,910,052.60 and 192,584,170.80

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Solution

The fourth proportional to 257,887,640.88, 355,910,052.60 and 192,584,170.80 is: 265,784,905.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,887,640.88 : 355,910,052.60 = 192,584,170.80 : x
  2. Step 2: Convert to fraction form
    257,887,640.88/355,910,052.60 = 192,584,170.80/x
  3. Step 3: Cross multiply
    257,887,640.88x = 355,910,052.60 × 192,584,170.80
  4. Step 4: Simplify right side
    257,887,640.88x = 68,542,642,359,355,392
  5. Step 5: Solve for x
    x = 68,542,642,359,355,392/257,887,640.88
  6. Step 6: Final answer
    x = 265,784,905.88

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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.