Home / 172,079,380.80-258,119,071.20-158,474,491.20

Finding the Fourth Proportional to 172,079,380.80, 258,119,071.20 and 158,474,491.20

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Solution

The fourth proportional to 172,079,380.80, 258,119,071.20 and 158,474,491.20 is: 237,711,736.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,079,380.80 : 258,119,071.20 = 158,474,491.20 : x
  2. Step 2: Convert to fraction form
    172,079,380.80/258,119,071.20 = 158,474,491.20/x
  3. Step 3: Cross multiply
    172,079,380.80x = 258,119,071.20 × 158,474,491.20
  4. Step 4: Simplify right side
    172,079,380.80x = 40,905,288,477,436,568
  5. Step 5: Solve for x
    x = 40,905,288,477,436,568/172,079,380.80
  6. Step 6: Final answer
    x = 237,711,736.80

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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.