Home / 262,991,324.40-394,486,986.60-109,747,359.60

Finding the Fourth Proportional to 262,991,324.40, 394,486,986.60 and 109,747,359.60

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Solution

The fourth proportional to 262,991,324.40, 394,486,986.60 and 109,747,359.60 is: 164,621,039.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,991,324.40 : 394,486,986.60 = 109,747,359.60 : x
  2. Step 2: Convert to fraction form
    262,991,324.40/394,486,986.60 = 109,747,359.60/x
  3. Step 3: Cross multiply
    262,991,324.40x = 394,486,986.60 × 109,747,359.60
  4. Step 4: Simplify right side
    262,991,324.40x = 43,293,905,175,910,584
  5. Step 5: Solve for x
    x = 43,293,905,175,910,584/262,991,324.40
  6. Step 6: Final answer
    x = 164,621,039.40

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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.