Home / 49,239,706.82-67,982,134.21-30,682,110.03

Finding the Fourth Proportional to 49,239,706.82, 67,982,134.21 and 30,682,110.03

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Solution

The fourth proportional to 49,239,706.82, 67,982,134.21 and 30,682,110.03 is: 42,360,839.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,239,706.82 : 67,982,134.21 = 30,682,110.03 : x
  2. Step 2: Convert to fraction form
    49,239,706.82/67,982,134.21 = 30,682,110.03/x
  3. Step 3: Cross multiply
    49,239,706.82x = 67,982,134.21 × 30,682,110.03
  4. Step 4: Simplify right side
    49,239,706.82x = 2,085,835,321,477,318.25
  5. Step 5: Solve for x
    x = 2,085,835,321,477,318.25/49,239,706.82
  6. Step 6: Final answer
    x = 42,360,839.58

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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.