Home / 220,053,499.60-330,080,249.40-99,121,147.60

Finding the Fourth Proportional to 220,053,499.60, 330,080,249.40 and 99,121,147.60

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Solution

The fourth proportional to 220,053,499.60, 330,080,249.40 and 99,121,147.60 is: 148,681,721.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,053,499.60 : 330,080,249.40 = 99,121,147.60 : x
  2. Step 2: Convert to fraction form
    220,053,499.60/330,080,249.40 = 99,121,147.60/x
  3. Step 3: Cross multiply
    220,053,499.60x = 330,080,249.40 × 99,121,147.60
  4. Step 4: Simplify right side
    220,053,499.60x = 32,717,933,120,622,208
  5. Step 5: Solve for x
    x = 32,717,933,120,622,208/220,053,499.60
  6. Step 6: Final answer
    x = 148,681,721.40

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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.