Home / 220,940,005.96-331,034,965.44-133,317,399.60

Finding the Fourth Proportional to 220,940,005.96, 331,034,965.44 and 133,317,399.60

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Solution

The fourth proportional to 220,940,005.96, 331,034,965.44 and 133,317,399.60 is: 199,749,794.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,940,005.96 : 331,034,965.44 = 133,317,399.60 : x
  2. Step 2: Convert to fraction form
    220,940,005.96/331,034,965.44 = 133,317,399.60/x
  3. Step 3: Cross multiply
    220,940,005.96x = 331,034,965.44 × 133,317,399.60
  4. Step 4: Simplify right side
    220,940,005.96x = 44,132,720,769,136,664
  5. Step 5: Solve for x
    x = 44,132,720,769,136,664/220,940,005.96
  6. Step 6: Final answer
    x = 199,749,794.42

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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.