Home / 161,907,717.78-223,432,944.30-88,568,859.78

Finding the Fourth Proportional to 161,907,717.78, 223,432,944.30 and 88,568,859.78

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Solution

The fourth proportional to 161,907,717.78, 223,432,944.30 and 88,568,859.78 is: 122,225,187.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,907,717.78 : 223,432,944.30 = 88,568,859.78 : x
  2. Step 2: Convert to fraction form
    161,907,717.78/223,432,944.30 = 88,568,859.78/x
  3. Step 3: Cross multiply
    161,907,717.78x = 223,432,944.30 × 88,568,859.78
  4. Step 4: Simplify right side
    161,907,717.78x = 19,789,201,113,939,252
  5. Step 5: Solve for x
    x = 19,789,201,113,939,252/161,907,717.78
  6. Step 6: Final answer
    x = 122,225,187.19

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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.