Home / 275,501,243.62-380,191,720.71-151,741,920.79

Finding the Fourth Proportional to 275,501,243.62, 380,191,720.71 and 151,741,920.79

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Solution

The fourth proportional to 275,501,243.62, 380,191,720.71 and 151,741,920.79 is: 209,403,853.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,501,243.62 : 380,191,720.71 = 151,741,920.79 : x
  2. Step 2: Convert to fraction form
    275,501,243.62/380,191,720.71 = 151,741,920.79/x
  3. Step 3: Cross multiply
    275,501,243.62x = 380,191,720.71 × 151,741,920.79
  4. Step 4: Simplify right side
    275,501,243.62x = 57,691,021,968,990,616
  5. Step 5: Solve for x
    x = 57,691,021,968,990,616/275,501,243.62
  6. Step 6: Final answer
    x = 209,403,853.18

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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.