Home / 143,229,766.47-214,416,424.30-87,722,827.62

Finding the Fourth Proportional to 143,229,766.47, 214,416,424.30 and 87,722,827.62

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Solution

The fourth proportional to 143,229,766.47, 214,416,424.30 and 87,722,827.62 is: 131,321,969.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,229,766.47 : 214,416,424.30 = 87,722,827.62 : x
  2. Step 2: Convert to fraction form
    143,229,766.47/214,416,424.30 = 87,722,827.62/x
  3. Step 3: Cross multiply
    143,229,766.47x = 214,416,424.30 × 87,722,827.62
  4. Step 4: Simplify right side
    143,229,766.47x = 18,809,215,027,765,680
  5. Step 5: Solve for x
    x = 18,809,215,027,765,680/143,229,766.47
  6. Step 6: Final answer
    x = 131,321,969.53

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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.