Home / 160,366,648.30-221,305,965.60-87,027,790.30

Finding the Fourth Proportional to 160,366,648.30, 221,305,965.60 and 87,027,790.30

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Solution

The fourth proportional to 160,366,648.30, 221,305,965.60 and 87,027,790.30 is: 120,098,345.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,366,648.30 : 221,305,965.60 = 87,027,790.30 : x
  2. Step 2: Convert to fraction form
    160,366,648.30/221,305,965.60 = 87,027,790.30/x
  3. Step 3: Cross multiply
    160,366,648.30x = 221,305,965.60 × 87,027,790.30
  4. Step 4: Simplify right side
    160,366,648.30x = 19,259,769,166,375,812
  5. Step 5: Solve for x
    x = 19,259,769,166,375,812/160,366,648.30
  6. Step 6: Final answer
    x = 120,098,345.70

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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.