Home / 188,230,399.12-259,715,391.28-113,889,110.91

Finding the Fourth Proportional to 188,230,399.12, 259,715,391.28 and 113,889,110.91

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Solution

The fourth proportional to 188,230,399.12, 259,715,391.28 and 113,889,110.91 is: 157,141,222.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,230,399.12 : 259,715,391.28 = 113,889,110.91 : x
  2. Step 2: Convert to fraction form
    188,230,399.12/259,715,391.28 = 113,889,110.91/x
  3. Step 3: Cross multiply
    188,230,399.12x = 259,715,391.28 × 113,889,110.91
  4. Step 4: Simplify right side
    188,230,399.12x = 29,578,755,002,521,968
  5. Step 5: Solve for x
    x = 29,578,755,002,521,968/188,230,399.12
  6. Step 6: Final answer
    x = 157,141,222.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.