Home / 121,198,193.33-181,822,853.66-39,310,711.97

Finding the Fourth Proportional to 121,198,193.33, 181,822,853.66 and 39,310,711.97

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Solution

The fourth proportional to 121,198,193.33, 181,822,853.66 and 39,310,711.97 is: 58,974,359.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,198,193.33 : 181,822,853.66 = 39,310,711.97 : x
  2. Step 2: Convert to fraction form
    121,198,193.33/181,822,853.66 = 39,310,711.97/x
  3. Step 3: Cross multiply
    121,198,193.33x = 181,822,853.66 × 39,310,711.97
  4. Step 4: Simplify right side
    121,198,193.33x = 7,147,585,828,686,053
  5. Step 5: Solve for x
    x = 7,147,585,828,686,053/121,198,193.33
  6. Step 6: Final answer
    x = 58,974,359.54

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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.