Home / 200,078,432.75-276,108,237.20-108,508,256.75

Finding the Fourth Proportional to 200,078,432.75, 276,108,237.20 and 108,508,256.75

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Solution

The fourth proportional to 200,078,432.75, 276,108,237.20 and 108,508,256.75 is: 149,741,394.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,078,432.75 : 276,108,237.20 = 108,508,256.75 : x
  2. Step 2: Convert to fraction form
    200,078,432.75/276,108,237.20 = 108,508,256.75/x
  3. Step 3: Cross multiply
    200,078,432.75x = 276,108,237.20 × 108,508,256.75
  4. Step 4: Simplify right side
    200,078,432.75x = 29,960,023,492,887,500
  5. Step 5: Solve for x
    x = 29,960,023,492,887,500/200,078,432.75
  6. Step 6: Final answer
    x = 149,741,394.32

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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.