Home / 275,501,242.62-380,191,719.33-151,741,919.79

Finding the Fourth Proportional to 275,501,242.62, 380,191,719.33 and 151,741,919.79

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Solution

The fourth proportional to 275,501,242.62, 380,191,719.33 and 151,741,919.79 is: 209,403,851.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,501,242.62 : 380,191,719.33 = 151,741,919.79 : x
  2. Step 2: Convert to fraction form
    275,501,242.62/380,191,719.33 = 151,741,919.79/x
  3. Step 3: Cross multiply
    275,501,242.62x = 380,191,719.33 × 151,741,919.79
  4. Step 4: Simplify right side
    275,501,242.62x = 57,691,021,379,395,048
  5. Step 5: Solve for x
    x = 57,691,021,379,395,048/275,501,242.62
  6. Step 6: Final answer
    x = 209,403,851.80

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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.