Home / 254,967,951.70-382,451,927.55-199,485,511.30

Finding the Fourth Proportional to 254,967,951.70, 382,451,927.55 and 199,485,511.30

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Solution

The fourth proportional to 254,967,951.70, 382,451,927.55 and 199,485,511.30 is: 299,228,266.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,967,951.70 : 382,451,927.55 = 199,485,511.30 : x
  2. Step 2: Convert to fraction form
    254,967,951.70/382,451,927.55 = 199,485,511.30/x
  3. Step 3: Cross multiply
    254,967,951.70x = 382,451,927.55 × 199,485,511.30
  4. Step 4: Simplify right side
    254,967,951.70x = 76,293,618,314,982,320
  5. Step 5: Solve for x
    x = 76,293,618,314,982,320/254,967,951.70
  6. Step 6: Final answer
    x = 299,228,266.95

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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.