Home / 86,321,439.39-119,122,178.60-47,162,373.33

Finding the Fourth Proportional to 86,321,439.39, 119,122,178.60 and 47,162,373.33

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Solution

The fourth proportional to 86,321,439.39, 119,122,178.60 and 47,162,373.33 is: 65,083,306.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,321,439.39 : 119,122,178.60 = 47,162,373.33 : x
  2. Step 2: Convert to fraction form
    86,321,439.39/119,122,178.60 = 47,162,373.33/x
  3. Step 3: Cross multiply
    86,321,439.39x = 119,122,178.60 × 47,162,373.33
  4. Step 4: Simplify right side
    86,321,439.39x = 5,618,084,658,780,325
  5. Step 5: Solve for x
    x = 5,618,084,658,780,325/86,321,439.39
  6. Step 6: Final answer
    x = 65,083,306.05

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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.