Home / 126,308,403.82-189,193,977.60-60,632,725.51

Finding the Fourth Proportional to 126,308,403.82, 189,193,977.60 and 60,632,725.51

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Solution

The fourth proportional to 126,308,403.82, 189,193,977.60 and 60,632,725.51 is: 90,820,136.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,308,403.82 : 189,193,977.60 = 60,632,725.51 : x
  2. Step 2: Convert to fraction form
    126,308,403.82/189,193,977.60 = 60,632,725.51/x
  3. Step 3: Cross multiply
    126,308,403.82x = 189,193,977.60 × 60,632,725.51
  4. Step 4: Simplify right side
    126,308,403.82x = 11,471,346,511,965,888
  5. Step 5: Solve for x
    x = 11,471,346,511,965,888/126,308,403.82
  6. Step 6: Final answer
    x = 90,820,136.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.