Home / 126,384,767.52-174,410,936.66-68,438,015.52

Finding the Fourth Proportional to 126,384,767.52, 174,410,936.66 and 68,438,015.52

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Solution

The fourth proportional to 126,384,767.52, 174,410,936.66 and 68,438,015.52 is: 94,444,438.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,384,767.52 : 174,410,936.66 = 68,438,015.52 : x
  2. Step 2: Convert to fraction form
    126,384,767.52/174,410,936.66 = 68,438,015.52/x
  3. Step 3: Cross multiply
    126,384,767.52x = 174,410,936.66 × 68,438,015.52
  4. Step 4: Simplify right side
    126,384,767.52x = 11,936,338,389,994,816
  5. Step 5: Solve for x
    x = 11,936,338,389,994,816/126,384,767.52
  6. Step 6: Final answer
    x = 94,444,438.39

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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.