Home / 248,891,415.20-373,018,258.20-221,469,059.60

Finding the Fourth Proportional to 248,891,415.20, 373,018,258.20 and 221,469,059.60

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Solution

The fourth proportional to 248,891,415.20, 373,018,258.20 and 221,469,059.60 is: 331,919,856.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,891,415.20 : 373,018,258.20 = 221,469,059.60 : x
  2. Step 2: Convert to fraction form
    248,891,415.20/373,018,258.20 = 221,469,059.60/x
  3. Step 3: Cross multiply
    248,891,415.20x = 373,018,258.20 × 221,469,059.60
  4. Step 4: Simplify right side
    248,891,415.20x = 82,612,002,857,183,984
  5. Step 5: Solve for x
    x = 82,612,002,857,183,984/248,891,415.20
  6. Step 6: Final answer
    x = 331,919,856.66

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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.