Home / 300,784,786.21-450,858,747.07-101,174,047.25

Finding the Fourth Proportional to 300,784,786.21, 450,858,747.07 and 101,174,047.25

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Solution

The fourth proportional to 300,784,786.21, 450,858,747.07 and 101,174,047.25 is: 151,653,960.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,784,786.21 : 450,858,747.07 = 101,174,047.25 : x
  2. Step 2: Convert to fraction form
    300,784,786.21/450,858,747.07 = 101,174,047.25/x
  3. Step 3: Cross multiply
    300,784,786.21x = 450,858,747.07 × 101,174,047.25
  4. Step 4: Simplify right side
    300,784,786.21x = 45,615,204,179,135,976
  5. Step 5: Solve for x
    x = 45,615,204,179,135,976/300,784,786.21
  6. Step 6: Final answer
    x = 151,653,960.81

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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.