Home / 188,230,398.12-259,715,389.91-113,889,109.91

Finding the Fourth Proportional to 188,230,398.12, 259,715,389.91 and 113,889,109.91

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Solution

The fourth proportional to 188,230,398.12, 259,715,389.91 and 113,889,109.91 is: 157,141,220.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,230,398.12 : 259,715,389.91 = 113,889,109.91 : x
  2. Step 2: Convert to fraction form
    188,230,398.12/259,715,389.91 = 113,889,109.91/x
  3. Step 3: Cross multiply
    188,230,398.12x = 259,715,389.91 × 113,889,109.91
  4. Step 4: Simplify right side
    188,230,398.12x = 29,578,754,584,910,472
  5. Step 5: Solve for x
    x = 29,578,754,584,910,472/188,230,398.12
  6. Step 6: Final answer
    x = 157,141,220.97

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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.