Home / 314,929,344.20-472,394,016.30-161,874,336.20

Finding the Fourth Proportional to 314,929,344.20, 472,394,016.30 and 161,874,336.20

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Solution

The fourth proportional to 314,929,344.20, 472,394,016.30 and 161,874,336.20 is: 242,811,504.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,929,344.20 : 472,394,016.30 = 161,874,336.20 : x
  2. Step 2: Convert to fraction form
    314,929,344.20/472,394,016.30 = 161,874,336.20/x
  3. Step 3: Cross multiply
    314,929,344.20x = 472,394,016.30 × 161,874,336.20
  4. Step 4: Simplify right side
    314,929,344.20x = 76,468,467,813,414,480
  5. Step 5: Solve for x
    x = 76,468,467,813,414,480/314,929,344.20
  6. Step 6: Final answer
    x = 242,811,504.30

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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.