Home / 126,017,772.11-173,788,954.81-86,382,902.33

Finding the Fourth Proportional to 126,017,772.11, 173,788,954.81 and 86,382,902.33

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Solution

The fourth proportional to 126,017,772.11, 173,788,954.81 and 86,382,902.33 is: 119,129,183.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,017,772.11 : 173,788,954.81 = 86,382,902.33 : x
  2. Step 2: Convert to fraction form
    126,017,772.11/173,788,954.81 = 86,382,902.33/x
  3. Step 3: Cross multiply
    126,017,772.11x = 173,788,954.81 × 86,382,902.33
  4. Step 4: Simplify right side
    126,017,772.11x = 15,012,394,309,385,014
  5. Step 5: Solve for x
    x = 15,012,394,309,385,014/126,017,772.11
  6. Step 6: Final answer
    x = 119,129,183.59

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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.