Home / 172,004,369.20-258,006,553.80-107,507,114.80

Finding the Fourth Proportional to 172,004,369.20, 258,006,553.80 and 107,507,114.80

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Solution

The fourth proportional to 172,004,369.20, 258,006,553.80 and 107,507,114.80 is: 161,260,672.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,004,369.20 : 258,006,553.80 = 107,507,114.80 : x
  2. Step 2: Convert to fraction form
    172,004,369.20/258,006,553.80 = 107,507,114.80/x
  3. Step 3: Cross multiply
    172,004,369.20x = 258,006,553.80 × 107,507,114.80
  4. Step 4: Simplify right side
    172,004,369.20x = 27,737,540,198,528,976
  5. Step 5: Solve for x
    x = 27,737,540,198,528,976/172,004,369.20
  6. Step 6: Final answer
    x = 161,260,672.20

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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.