Home / 200,078,430.75-276,108,234.44-108,508,254.75

Finding the Fourth Proportional to 200,078,430.75, 276,108,234.44 and 108,508,254.75

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Solution

The fourth proportional to 200,078,430.75, 276,108,234.44 and 108,508,254.75 is: 149,741,391.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,078,430.75 : 276,108,234.44 = 108,508,254.75 : x
  2. Step 2: Convert to fraction form
    200,078,430.75/276,108,234.44 = 108,508,254.75/x
  3. Step 3: Cross multiply
    200,078,430.75x = 276,108,234.44 × 108,508,254.75
  4. Step 4: Simplify right side
    200,078,430.75x = 29,960,022,640,645,704
  5. Step 5: Solve for x
    x = 29,960,022,640,645,704/200,078,430.75
  6. Step 6: Final answer
    x = 149,741,391.56

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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.