Home / 300,691,040.80-451,036,561.20-147,636,032.80

Finding the Fourth Proportional to 300,691,040.80, 451,036,561.20 and 147,636,032.80

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Solution

The fourth proportional to 300,691,040.80, 451,036,561.20 and 147,636,032.80 is: 221,454,049.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,691,040.80 : 451,036,561.20 = 147,636,032.80 : x
  2. Step 2: Convert to fraction form
    300,691,040.80/451,036,561.20 = 147,636,032.80/x
  3. Step 3: Cross multiply
    300,691,040.80x = 451,036,561.20 × 147,636,032.80
  4. Step 4: Simplify right side
    300,691,040.80x = 66,589,248,543,322,408
  5. Step 5: Solve for x
    x = 66,589,248,543,322,408/300,691,040.80
  6. Step 6: Final answer
    x = 221,454,049.20

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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.