Home / 99,870,748.56-149,806,121.04-28,067,164.56

Finding the Fourth Proportional to 99,870,748.56, 149,806,121.04 and 28,067,164.56

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Solution

The fourth proportional to 99,870,748.56, 149,806,121.04 and 28,067,164.56 is: 42,100,746.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,870,748.56 : 149,806,121.04 = 28,067,164.56 : x
  2. Step 2: Convert to fraction form
    99,870,748.56/149,806,121.04 = 28,067,164.56/x
  3. Step 3: Cross multiply
    99,870,748.56x = 149,806,121.04 × 28,067,164.56
  4. Step 4: Simplify right side
    99,870,748.56x = 4,204,633,051,324,958
  5. Step 5: Solve for x
    x = 4,204,633,051,324,958/99,870,748.56
  6. Step 6: Final answer
    x = 42,100,746.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.