Home / 220,918,173.69-331,324,116.44-67,565,558.73

Finding the Fourth Proportional to 220,918,173.69, 331,324,116.44 and 67,565,558.73

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Solution

The fourth proportional to 220,918,173.69, 331,324,116.44 and 67,565,558.73 is: 101,332,084.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,918,173.69 : 331,324,116.44 = 67,565,558.73 : x
  2. Step 2: Convert to fraction form
    220,918,173.69/331,324,116.44 = 67,565,558.73/x
  3. Step 3: Cross multiply
    220,918,173.69x = 331,324,116.44 × 67,565,558.73
  4. Step 4: Simplify right side
    220,918,173.69x = 22,386,099,049,150,188
  5. Step 5: Solve for x
    x = 22,386,099,049,150,188/220,918,173.69
  6. Step 6: Final answer
    x = 101,332,084.52

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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.