Home / 135,003,991.86-186,295,836.09-79,251,675.66

Finding the Fourth Proportional to 135,003,991.86, 186,295,836.09 and 79,251,675.66

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Solution

The fourth proportional to 135,003,991.86, 186,295,836.09 and 79,251,675.66 is: 109,361,634.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,003,991.86 : 186,295,836.09 = 79,251,675.66 : x
  2. Step 2: Convert to fraction form
    135,003,991.86/186,295,836.09 = 79,251,675.66/x
  3. Step 3: Cross multiply
    135,003,991.86x = 186,295,836.09 × 79,251,675.66
  4. Step 4: Simplify right side
    135,003,991.86x = 14,764,257,178,613,202
  5. Step 5: Solve for x
    x = 14,764,257,178,613,202/135,003,991.86
  6. Step 6: Final answer
    x = 109,361,634.24

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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.