Home / 86,649,863.22-119,589,986.25-55,301,437.62

Finding the Fourth Proportional to 86,649,863.22, 119,589,986.25 and 55,301,437.62

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Solution

The fourth proportional to 86,649,863.22, 119,589,986.25 and 55,301,437.62 is: 76,324,392.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,649,863.22 : 119,589,986.25 = 55,301,437.62 : x
  2. Step 2: Convert to fraction form
    86,649,863.22/119,589,986.25 = 55,301,437.62/x
  3. Step 3: Cross multiply
    86,649,863.22x = 119,589,986.25 × 55,301,437.62
  4. Step 4: Simplify right side
    86,649,863.22x = 6,613,498,164,581,032
  5. Step 5: Solve for x
    x = 6,613,498,164,581,032/86,649,863.22
  6. Step 6: Final answer
    x = 76,324,392.43

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Double scale
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Similar ratio
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1.5x scale

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.