Home / 100,074,631.68-150,123,144.96-31,901,506.56

Finding the Fourth Proportional to 100,074,631.68, 150,123,144.96 and 31,901,506.56

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Solution

The fourth proportional to 100,074,631.68, 150,123,144.96 and 31,901,506.56 is: 47,855,829.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,074,631.68 : 150,123,144.96 = 31,901,506.56 : x
  2. Step 2: Convert to fraction form
    100,074,631.68/150,123,144.96 = 31,901,506.56/x
  3. Step 3: Cross multiply
    100,074,631.68x = 150,123,144.96 × 31,901,506.56
  4. Step 4: Simplify right side
    100,074,631.68x = 4,789,154,493,749,271
  5. Step 5: Solve for x
    x = 4,789,154,493,749,271/100,074,631.68
  6. Step 6: Final answer
    x = 47,855,829.33

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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.