Home / 220,938,673.92-331,396,084.32-67,584,747.84

Finding the Fourth Proportional to 220,938,673.92, 331,396,084.32 and 67,584,747.84

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Solution

The fourth proportional to 220,938,673.92, 331,396,084.32 and 67,584,747.84 is: 101,373,473.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,938,673.92 : 331,396,084.32 = 67,584,747.84 : x
  2. Step 2: Convert to fraction form
    220,938,673.92/331,396,084.32 = 67,584,747.84/x
  3. Step 3: Cross multiply
    220,938,673.92x = 331,396,084.32 × 67,584,747.84
  4. Step 4: Simplify right side
    220,938,673.92x = 22,397,320,793,930,580
  5. Step 5: Solve for x
    x = 22,397,320,793,930,580/220,938,673.92
  6. Step 6: Final answer
    x = 101,373,473.45

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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.