Home / 65,769,352.05-98,654,028.08-20,331,073.65

Finding the Fourth Proportional to 65,769,352.05, 98,654,028.08 and 20,331,073.65

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Solution

The fourth proportional to 65,769,352.05, 98,654,028.08 and 20,331,073.65 is: 30,496,610.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,769,352.05 : 98,654,028.08 = 20,331,073.65 : x
  2. Step 2: Convert to fraction form
    65,769,352.05/98,654,028.08 = 20,331,073.65/x
  3. Step 3: Cross multiply
    65,769,352.05x = 98,654,028.08 × 20,331,073.65
  4. Step 4: Simplify right side
    65,769,352.05x = 2,005,742,310,661,992.75
  5. Step 5: Solve for x
    x = 2,005,742,310,661,992.75/65,769,352.05
  6. Step 6: Final answer
    x = 30,496,610.48

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Double scale
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Similar ratio
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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.