Home / 196,691,109.78-271,426,621.50-108,583,219.34

Finding the Fourth Proportional to 196,691,109.78, 271,426,621.50 and 108,583,219.34

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Solution

The fourth proportional to 196,691,109.78, 271,426,621.50 and 108,583,219.34 is: 149,840,917.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,691,109.78 : 271,426,621.50 = 108,583,219.34 : x
  2. Step 2: Convert to fraction form
    196,691,109.78/271,426,621.50 = 108,583,219.34/x
  3. Step 3: Cross multiply
    196,691,109.78x = 271,426,621.50 × 108,583,219.34
  4. Step 4: Simplify right side
    196,691,109.78x = 29,472,376,375,692,524
  5. Step 5: Solve for x
    x = 29,472,376,375,692,524/196,691,109.78
  6. Step 6: Final answer
    x = 149,840,917.61

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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.