Home / 200,078,431.75-276,108,235.82-108,508,255.75

Finding the Fourth Proportional to 200,078,431.75, 276,108,235.82 and 108,508,255.75

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Solution

The fourth proportional to 200,078,431.75, 276,108,235.82 and 108,508,255.75 is: 149,741,392.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,078,431.75 : 276,108,235.82 = 108,508,255.75 : x
  2. Step 2: Convert to fraction form
    200,078,431.75/276,108,235.82 = 108,508,255.75/x
  3. Step 3: Cross multiply
    200,078,431.75x = 276,108,235.82 × 108,508,255.75
  4. Step 4: Simplify right side
    200,078,431.75x = 29,960,023,067,037,872
  5. Step 5: Solve for x
    x = 29,960,023,067,037,872/200,078,431.75
  6. Step 6: Final answer
    x = 149,741,392.94

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1.5x scale

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.