Home / 203,530,120.20-305,329,232.48-159,809,114.97

Finding the Fourth Proportional to 203,530,120.20, 305,329,232.48 and 159,809,114.97

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Solution

The fourth proportional to 203,530,120.20, 305,329,232.48 and 159,809,114.97 is: 239,740,409.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,530,120.20 : 305,329,232.48 = 159,809,114.97 : x
  2. Step 2: Convert to fraction form
    203,530,120.20/305,329,232.48 = 159,809,114.97/x
  3. Step 3: Cross multiply
    203,530,120.20x = 305,329,232.48 × 159,809,114.97
  4. Step 4: Simplify right side
    203,530,120.20x = 48,794,394,416,299,136
  5. Step 5: Solve for x
    x = 48,794,394,416,299,136/203,530,120.20
  6. Step 6: Final answer
    x = 239,740,409.77

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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.