Home / 126,384,765.51-174,410,933.90-68,438,013.51

Finding the Fourth Proportional to 126,384,765.51, 174,410,933.90 and 68,438,013.51

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Solution

The fourth proportional to 126,384,765.51, 174,410,933.90 and 68,438,013.51 is: 94,444,435.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,384,765.51 : 174,410,933.90 = 68,438,013.51 : x
  2. Step 2: Convert to fraction form
    126,384,765.51/174,410,933.90 = 68,438,013.51/x
  3. Step 3: Cross multiply
    126,384,765.51x = 174,410,933.90 × 68,438,013.51
  4. Step 4: Simplify right side
    126,384,765.51x = 11,936,337,850,197,728
  5. Step 5: Solve for x
    x = 11,936,337,850,197,728/126,384,765.51
  6. Step 6: Final answer
    x = 94,444,435.63

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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.