Home / 278,230,350.60-383,942,896.56-154,463,055.84

Finding the Fourth Proportional to 278,230,350.60, 383,942,896.56 and 154,463,055.84

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Solution

The fourth proportional to 278,230,350.60, 383,942,896.56 and 154,463,055.84 is: 213,150,696.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,230,350.60 : 383,942,896.56 = 154,463,055.84 : x
  2. Step 2: Convert to fraction form
    278,230,350.60/383,942,896.56 = 154,463,055.84/x
  3. Step 3: Cross multiply
    278,230,350.60x = 383,942,896.56 × 154,463,055.84
  4. Step 4: Simplify right side
    278,230,350.60x = 59,304,993,070,718,624
  5. Step 5: Solve for x
    x = 59,304,993,070,718,624/278,230,350.60
  6. Step 6: Final answer
    x = 213,150,696.69

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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.