Home / 165,933,005.70-248,899,508.55-114,872,679.30

Finding the Fourth Proportional to 165,933,005.70, 248,899,508.55 and 114,872,679.30

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Solution

The fourth proportional to 165,933,005.70, 248,899,508.55 and 114,872,679.30 is: 172,309,018.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,933,005.70 : 248,899,508.55 = 114,872,679.30 : x
  2. Step 2: Convert to fraction form
    165,933,005.70/248,899,508.55 = 114,872,679.30/x
  3. Step 3: Cross multiply
    165,933,005.70x = 248,899,508.55 × 114,872,679.30
  4. Step 4: Simplify right side
    165,933,005.70x = 28,591,753,423,591,760
  5. Step 5: Solve for x
    x = 28,591,753,423,591,760/165,933,005.70
  6. Step 6: Final answer
    x = 172,309,018.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.