Home / 80,575,458.82-120,863,037.18-25,247,529.68

Finding the Fourth Proportional to 80,575,458.82, 120,863,037.18 and 25,247,529.68

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Solution

The fourth proportional to 80,575,458.82, 120,863,037.18 and 25,247,529.68 is: 37,871,247.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,575,458.82 : 120,863,037.18 = 25,247,529.68 : x
  2. Step 2: Convert to fraction form
    80,575,458.82/120,863,037.18 = 25,247,529.68/x
  3. Step 3: Cross multiply
    80,575,458.82x = 120,863,037.18 × 25,247,529.68
  4. Step 4: Simplify right side
    80,575,458.82x = 3,051,493,118,416,993.50
  5. Step 5: Solve for x
    x = 3,051,493,118,416,993.50/80,575,458.82
  6. Step 6: Final answer
    x = 37,871,247.19

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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.