Home / 204,633,521.10-306,952,906.05-68,318,904.60

Finding the Fourth Proportional to 204,633,521.10, 306,952,906.05 and 68,318,904.60

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Solution

The fourth proportional to 204,633,521.10, 306,952,906.05 and 68,318,904.60 is: 102,479,233.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,633,521.10 : 306,952,906.05 = 68,318,904.60 : x
  2. Step 2: Convert to fraction form
    204,633,521.10/306,952,906.05 = 68,318,904.60/x
  3. Step 3: Cross multiply
    204,633,521.10x = 306,952,906.05 × 68,318,904.60
  4. Step 4: Simplify right side
    204,633,521.10x = 20,970,686,305,122,712
  5. Step 5: Solve for x
    x = 20,970,686,305,122,712/204,633,521.10
  6. Step 6: Final answer
    x = 102,479,233.08

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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.