Home / 126,066,458.20-189,099,687.30-100,557,290.20

Finding the Fourth Proportional to 126,066,458.20, 189,099,687.30 and 100,557,290.20

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Solution

The fourth proportional to 126,066,458.20, 189,099,687.30 and 100,557,290.20 is: 150,835,935.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,066,458.20 : 189,099,687.30 = 100,557,290.20 : x
  2. Step 2: Convert to fraction form
    126,066,458.20/189,099,687.30 = 100,557,290.20/x
  3. Step 3: Cross multiply
    126,066,458.20x = 189,099,687.30 × 100,557,290.20
  4. Step 4: Simplify right side
    126,066,458.20x = 19,015,352,132,555,356
  5. Step 5: Solve for x
    x = 19,015,352,132,555,356/126,066,458.20
  6. Step 6: Final answer
    x = 150,835,935.30

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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.