Home / 275,509,268.29-380,202,768.98-151,749,945.42

Finding the Fourth Proportional to 275,509,268.29, 380,202,768.98 and 151,749,945.42

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Solution

The fourth proportional to 275,509,268.29, 380,202,768.98 and 151,749,945.42 is: 209,414,912.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,509,268.29 : 380,202,768.98 = 151,749,945.42 : x
  2. Step 2: Convert to fraction form
    275,509,268.29/380,202,768.98 = 151,749,945.42/x
  3. Step 3: Cross multiply
    275,509,268.29x = 380,202,768.98 × 151,749,945.42
  4. Step 4: Simplify right side
    275,509,268.29x = 57,695,749,441,247,864
  5. Step 5: Solve for x
    x = 57,695,749,441,247,864/275,509,268.29
  6. Step 6: Final answer
    x = 209,414,912.97

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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.