Home / 303,946,370.11-419,446,349.56-164,717,131.89

Finding the Fourth Proportional to 303,946,370.11, 419,446,349.56 and 164,717,131.89

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Solution

The fourth proportional to 303,946,370.11, 419,446,349.56 and 164,717,131.89 is: 227,309,836.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,946,370.11 : 419,446,349.56 = 164,717,131.89 : x
  2. Step 2: Convert to fraction form
    303,946,370.11/419,446,349.56 = 164,717,131.89/x
  3. Step 3: Cross multiply
    303,946,370.11x = 419,446,349.56 × 164,717,131.89
  4. Step 4: Simplify right side
    303,946,370.11x = 69,089,999,681,253,560
  5. Step 5: Solve for x
    x = 69,089,999,681,253,560/303,946,370.11
  6. Step 6: Final answer
    x = 227,309,836.46

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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.