Home / 199,397,321.91-299,140,450.07-61,236,872.15

Finding the Fourth Proportional to 199,397,321.91, 299,140,450.07 and 61,236,872.15

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Solution

The fourth proportional to 199,397,321.91, 299,140,450.07 and 61,236,872.15 is: 91,868,964.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,397,321.91 : 299,140,450.07 = 61,236,872.15 : x
  2. Step 2: Convert to fraction form
    199,397,321.91/299,140,450.07 = 61,236,872.15/x
  3. Step 3: Cross multiply
    199,397,321.91x = 299,140,450.07 × 61,236,872.15
  4. Step 4: Simplify right side
    199,397,321.91x = 18,318,425,494,028,164
  5. Step 5: Solve for x
    x = 18,318,425,494,028,164/199,397,321.91
  6. Step 6: Final answer
    x = 91,868,964.53

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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.