Home / 300,691,190.80-451,036,786.20-147,636,182.80

Finding the Fourth Proportional to 300,691,190.80, 451,036,786.20 and 147,636,182.80

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Solution

The fourth proportional to 300,691,190.80, 451,036,786.20 and 147,636,182.80 is: 221,454,274.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,691,190.80 : 451,036,786.20 = 147,636,182.80 : x
  2. Step 2: Convert to fraction form
    300,691,190.80/451,036,786.20 = 147,636,182.80/x
  3. Step 3: Cross multiply
    300,691,190.80x = 451,036,786.20 × 147,636,182.80
  4. Step 4: Simplify right side
    300,691,190.80x = 66,589,349,416,947,720
  5. Step 5: Solve for x
    x = 66,589,349,416,947,720/300,691,190.80
  6. Step 6: Final answer
    x = 221,454,274.20

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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.