Home / 172,715,919.48-259,145,487.54-75,621,511.80

Finding the Fourth Proportional to 172,715,919.48, 259,145,487.54 and 75,621,511.80

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Solution

The fourth proportional to 172,715,919.48, 259,145,487.54 and 75,621,511.80 is: 113,463,620.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,715,919.48 : 259,145,487.54 = 75,621,511.80 : x
  2. Step 2: Convert to fraction form
    172,715,919.48/259,145,487.54 = 75,621,511.80/x
  3. Step 3: Cross multiply
    172,715,919.48x = 259,145,487.54 × 75,621,511.80
  4. Step 4: Simplify right side
    172,715,919.48x = 19,596,973,543,922,860
  5. Step 5: Solve for x
    x = 19,596,973,543,922,860/172,715,919.48
  6. Step 6: Final answer
    x = 113,463,620.51

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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.