Home / 204,633,525.60-306,952,912.80-68,318,909.10

Finding the Fourth Proportional to 204,633,525.60, 306,952,912.80 and 68,318,909.10

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Solution

The fourth proportional to 204,633,525.60, 306,952,912.80 and 68,318,909.10 is: 102,479,239.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,633,525.60 : 306,952,912.80 = 68,318,909.10 : x
  2. Step 2: Convert to fraction form
    204,633,525.60/306,952,912.80 = 68,318,909.10/x
  3. Step 3: Cross multiply
    204,633,525.60x = 306,952,912.80 × 68,318,909.10
  4. Step 4: Simplify right side
    204,633,525.60x = 20,970,688,147,563,424
  5. Step 5: Solve for x
    x = 20,970,688,147,563,424/204,633,525.60
  6. Step 6: Final answer
    x = 102,479,239.83

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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.