Home / 123,004,147.05-169,749,265.68-68,003,546.49

Finding the Fourth Proportional to 123,004,147.05, 169,749,265.68 and 68,003,546.49

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Solution

The fourth proportional to 123,004,147.05, 169,749,265.68 and 68,003,546.49 is: 93,846,852.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,004,147.05 : 169,749,265.68 = 68,003,546.49 : x
  2. Step 2: Convert to fraction form
    123,004,147.05/169,749,265.68 = 68,003,546.49/x
  3. Step 3: Cross multiply
    123,004,147.05x = 169,749,265.68 × 68,003,546.49
  4. Step 4: Simplify right side
    123,004,147.05x = 11,543,552,080,313,242
  5. Step 5: Solve for x
    x = 11,543,552,080,313,242/123,004,147.05
  6. Step 6: Final answer
    x = 93,846,852.79

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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.