Home / 196,691,108.28-271,426,619.43-108,583,217.84

Finding the Fourth Proportional to 196,691,108.28, 271,426,619.43 and 108,583,217.84

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Solution

The fourth proportional to 196,691,108.28, 271,426,619.43 and 108,583,217.84 is: 149,840,915.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,691,108.28 : 271,426,619.43 = 108,583,217.84 : x
  2. Step 2: Convert to fraction form
    196,691,108.28/271,426,619.43 = 108,583,217.84/x
  3. Step 3: Cross multiply
    196,691,108.28x = 271,426,619.43 × 108,583,217.84
  4. Step 4: Simplify right side
    196,691,108.28x = 29,472,375,743,785,332
  5. Step 5: Solve for x
    x = 29,472,375,743,785,332/196,691,108.28
  6. Step 6: Final answer
    x = 149,840,915.54

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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.