Home / 275,591,345.72-380,314,910.11-150,143,151.08

Finding the Fourth Proportional to 275,591,345.72, 380,314,910.11 and 150,143,151.08

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Solution

The fourth proportional to 275,591,345.72, 380,314,910.11 and 150,143,151.08 is: 207,196,923.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,591,345.72 : 380,314,910.11 = 150,143,151.08 : x
  2. Step 2: Convert to fraction form
    275,591,345.72/380,314,910.11 = 150,143,151.08/x
  3. Step 3: Cross multiply
    275,591,345.72x = 380,314,910.11 × 150,143,151.08
  4. Step 4: Simplify right side
    275,591,345.72x = 57,101,679,006,622,360
  5. Step 5: Solve for x
    x = 57,101,679,006,622,360/275,591,345.72
  6. Step 6: Final answer
    x = 207,196,923.61

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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.