Home / 121,311,227.70-181,966,841.55-75,394,725.30

Finding the Fourth Proportional to 121,311,227.70, 181,966,841.55 and 75,394,725.30

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Solution

The fourth proportional to 121,311,227.70, 181,966,841.55 and 75,394,725.30 is: 113,092,087.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,311,227.70 : 181,966,841.55 = 75,394,725.30 : x
  2. Step 2: Convert to fraction form
    121,311,227.70/181,966,841.55 = 75,394,725.30/x
  3. Step 3: Cross multiply
    121,311,227.70x = 181,966,841.55 × 75,394,725.30
  4. Step 4: Simplify right side
    121,311,227.70x = 13,719,340,032,370,876
  5. Step 5: Solve for x
    x = 13,719,340,032,370,876/121,311,227.70
  6. Step 6: Final answer
    x = 113,092,087.95

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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.