Home / 247,110,806.75-340,928,449.05-141,188,221.55

Finding the Fourth Proportional to 247,110,806.75, 340,928,449.05 and 141,188,221.55

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Solution

The fourth proportional to 247,110,806.75, 340,928,449.05 and 141,188,221.55 is: 194,791,486.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,110,806.75 : 340,928,449.05 = 141,188,221.55 : x
  2. Step 2: Convert to fraction form
    247,110,806.75/340,928,449.05 = 141,188,221.55/x
  3. Step 3: Cross multiply
    247,110,806.75x = 340,928,449.05 × 141,188,221.55
  4. Step 4: Simplify right side
    247,110,806.75x = 48,135,081,395,464,640
  5. Step 5: Solve for x
    x = 48,135,081,395,464,640/247,110,806.75
  6. Step 6: Final answer
    x = 194,791,486.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.