Home / 126,601,231.20-189,901,846.80-118,098,175.20

Finding the Fourth Proportional to 126,601,231.20, 189,901,846.80 and 118,098,175.20

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Solution

The fourth proportional to 126,601,231.20, 189,901,846.80 and 118,098,175.20 is: 177,147,262.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,601,231.20 : 189,901,846.80 = 118,098,175.20 : x
  2. Step 2: Convert to fraction form
    126,601,231.20/189,901,846.80 = 118,098,175.20/x
  3. Step 3: Cross multiply
    126,601,231.20x = 189,901,846.80 × 118,098,175.20
  4. Step 4: Simplify right side
    126,601,231.20x = 22,427,061,574,189,960
  5. Step 5: Solve for x
    x = 22,427,061,574,189,960/126,601,231.20
  6. Step 6: Final answer
    x = 177,147,262.80

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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.