Home / 126,192,996.30-189,622,392.42-67,943,741.20

Finding the Fourth Proportional to 126,192,996.30, 189,622,392.42 and 67,943,741.20

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Solution

The fourth proportional to 126,192,996.30, 189,622,392.42 and 67,943,741.20 is: 102,094,847.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,192,996.30 : 189,622,392.42 = 67,943,741.20 : x
  2. Step 2: Convert to fraction form
    126,192,996.30/189,622,392.42 = 67,943,741.20/x
  3. Step 3: Cross multiply
    126,192,996.30x = 189,622,392.42 × 67,943,741.20
  4. Step 4: Simplify right side
    126,192,996.30x = 12,883,654,756,309,322
  5. Step 5: Solve for x
    x = 12,883,654,756,309,322/126,192,996.30
  6. Step 6: Final answer
    x = 102,094,847.84

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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.