Home / 126,159,512.94-189,238,007.82-39,897,934.38

Finding the Fourth Proportional to 126,159,512.94, 189,238,007.82 and 39,897,934.38

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Solution

The fourth proportional to 126,159,512.94, 189,238,007.82 and 39,897,934.38 is: 59,846,502.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,159,512.94 : 189,238,007.82 = 39,897,934.38 : x
  2. Step 2: Convert to fraction form
    126,159,512.94/189,238,007.82 = 39,897,934.38/x
  3. Step 3: Cross multiply
    126,159,512.94x = 189,238,007.82 × 39,897,934.38
  4. Step 4: Simplify right side
    126,159,512.94x = 7,550,205,618,204,287
  5. Step 5: Solve for x
    x = 7,550,205,618,204,287/126,159,512.94
  6. Step 6: Final answer
    x = 59,846,502.59

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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.