Home / 172,846,234.90-259,354,473.72-80,716,583.24

Finding the Fourth Proportional to 172,846,234.90, 259,354,473.72 and 80,716,583.24

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Solution

The fourth proportional to 172,846,234.90, 259,354,473.72 and 80,716,583.24 is: 121,114,625.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,846,234.90 : 259,354,473.72 = 80,716,583.24 : x
  2. Step 2: Convert to fraction form
    172,846,234.90/259,354,473.72 = 80,716,583.24/x
  3. Step 3: Cross multiply
    172,846,234.90x = 259,354,473.72 × 80,716,583.24
  4. Step 4: Simplify right side
    172,846,234.90x = 20,934,206,966,686,772
  5. Step 5: Solve for x
    x = 20,934,206,966,686,772/172,846,234.90
  6. Step 6: Final answer
    x = 121,114,625.26

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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.