Home / 135,003,835.80-186,295,620.87-79,251,519.60

Finding the Fourth Proportional to 135,003,835.80, 186,295,620.87 and 79,251,519.60

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Solution

The fourth proportional to 135,003,835.80, 186,295,620.87 and 79,251,519.60 is: 109,361,418.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,003,835.80 : 186,295,620.87 = 79,251,519.60 : x
  2. Step 2: Convert to fraction form
    135,003,835.80/186,295,620.87 = 79,251,519.60/x
  3. Step 3: Cross multiply
    135,003,835.80x = 186,295,620.87 × 79,251,519.60
  4. Step 4: Simplify right side
    135,003,835.80x = 14,764,211,048,772,974
  5. Step 5: Solve for x
    x = 14,764,211,048,772,974/135,003,835.80
  6. Step 6: Final answer
    x = 109,361,418.96

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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.