Home / 200,484,432.76-300,726,906.75-54,919,274.44

Finding the Fourth Proportional to 200,484,432.76, 300,726,906.75 and 54,919,274.44

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Solution

The fourth proportional to 200,484,432.76, 300,726,906.75 and 54,919,274.44 is: 82,378,982.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,484,432.76 : 300,726,906.75 = 54,919,274.44 : x
  2. Step 2: Convert to fraction form
    200,484,432.76/300,726,906.75 = 54,919,274.44/x
  3. Step 3: Cross multiply
    200,484,432.76x = 300,726,906.75 × 54,919,274.44
  4. Step 4: Simplify right side
    200,484,432.76x = 16,515,703,523,295,538
  5. Step 5: Solve for x
    x = 16,515,703,523,295,538/200,484,432.76
  6. Step 6: Final answer
    x = 82,378,982.23

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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.