Home / 300,691,039.80-451,036,559.70-147,636,031.80

Finding the Fourth Proportional to 300,691,039.80, 451,036,559.70 and 147,636,031.80

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Solution

The fourth proportional to 300,691,039.80, 451,036,559.70 and 147,636,031.80 is: 221,454,047.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,691,039.80 : 451,036,559.70 = 147,636,031.80 : x
  2. Step 2: Convert to fraction form
    300,691,039.80/451,036,559.70 = 147,636,031.80/x
  3. Step 3: Cross multiply
    300,691,039.80x = 451,036,559.70 × 147,636,031.80
  4. Step 4: Simplify right side
    300,691,039.80x = 66,589,247,870,831,800
  5. Step 5: Solve for x
    x = 66,589,247,870,831,800/300,691,039.80
  6. Step 6: Final answer
    x = 221,454,047.70

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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.