Home / 126,298,974.80-189,448,462.20-91,866,846.80

Finding the Fourth Proportional to 126,298,974.80, 189,448,462.20 and 91,866,846.80

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Solution

The fourth proportional to 126,298,974.80, 189,448,462.20 and 91,866,846.80 is: 137,800,270.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,298,974.80 : 189,448,462.20 = 91,866,846.80 : x
  2. Step 2: Convert to fraction form
    126,298,974.80/189,448,462.20 = 91,866,846.80/x
  3. Step 3: Cross multiply
    126,298,974.80x = 189,448,462.20 × 91,866,846.80
  4. Step 4: Simplify right side
    126,298,974.80x = 17,404,032,853,422,990
  5. Step 5: Solve for x
    x = 17,404,032,853,422,990/126,298,974.80
  6. Step 6: Final answer
    x = 137,800,270.20

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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.