Home / 172,804,249.18-259,206,623.24-70,568,286.81

Finding the Fourth Proportional to 172,804,249.18, 259,206,623.24 and 70,568,286.81

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Solution

The fourth proportional to 172,804,249.18, 259,206,623.24 and 70,568,286.81 is: 105,852,532.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,804,249.18 : 259,206,623.24 = 70,568,286.81 : x
  2. Step 2: Convert to fraction form
    172,804,249.18/259,206,623.24 = 70,568,286.81/x
  3. Step 3: Cross multiply
    172,804,249.18x = 259,206,623.24 × 70,568,286.81
  4. Step 4: Simplify right side
    172,804,249.18x = 18,291,767,330,555,900
  5. Step 5: Solve for x
    x = 18,291,767,330,555,900/172,804,249.18
  6. Step 6: Final answer
    x = 105,852,532.08

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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.