Home / 106,531,839.97-146,972,109.94-61,870,209.33

Finding the Fourth Proportional to 106,531,839.97, 146,972,109.94 and 61,870,209.33

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Solution

The fourth proportional to 106,531,839.97, 146,972,109.94 and 61,870,209.33 is: 85,356,595.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,531,839.97 : 146,972,109.94 = 61,870,209.33 : x
  2. Step 2: Convert to fraction form
    106,531,839.97/146,972,109.94 = 61,870,209.33/x
  3. Step 3: Cross multiply
    106,531,839.97x = 146,972,109.94 × 61,870,209.33
  4. Step 4: Simplify right side
    106,531,839.97x = 9,093,195,207,659,574
  5. Step 5: Solve for x
    x = 9,093,195,207,659,574/106,531,839.97
  6. Step 6: Final answer
    x = 85,356,595.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.