Home / 36,245,019.70-54,367,529.55-20,120,706.10

Finding the Fourth Proportional to 36,245,019.70, 54,367,529.55 and 20,120,706.10

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Solution

The fourth proportional to 36,245,019.70, 54,367,529.55 and 20,120,706.10 is: 30,181,059.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,245,019.70 : 54,367,529.55 = 20,120,706.10 : x
  2. Step 2: Convert to fraction form
    36,245,019.70/54,367,529.55 = 20,120,706.10/x
  3. Step 3: Cross multiply
    36,245,019.70x = 54,367,529.55 × 20,120,706.10
  4. Step 4: Simplify right side
    36,245,019.70x = 1,093,913,083,458,615.25
  5. Step 5: Solve for x
    x = 1,093,913,083,458,615.25/36,245,019.70
  6. Step 6: Final answer
    x = 30,181,059.15

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.