Home / 276,454,409.78-381,504,506.30-151,006,557.65

Finding the Fourth Proportional to 276,454,409.78, 381,504,506.30 and 151,006,557.65

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Solution

The fourth proportional to 276,454,409.78, 381,504,506.30 and 151,006,557.65 is: 208,387,640.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,454,409.78 : 381,504,506.30 = 151,006,557.65 : x
  2. Step 2: Convert to fraction form
    276,454,409.78/381,504,506.30 = 151,006,557.65/x
  3. Step 3: Cross multiply
    276,454,409.78x = 381,504,506.30 × 151,006,557.65
  4. Step 4: Simplify right side
    276,454,409.78x = 57,609,682,224,325,744
  5. Step 5: Solve for x
    x = 57,609,682,224,325,744/276,454,409.78
  6. Step 6: Final answer
    x = 208,387,640.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.