Home / 126,308,402.82-189,193,976.10-60,632,724.51

Finding the Fourth Proportional to 126,308,402.82, 189,193,976.10 and 60,632,724.51

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Solution

The fourth proportional to 126,308,402.82, 189,193,976.10 and 60,632,724.51 is: 90,820,135.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,308,402.82 : 189,193,976.10 = 60,632,724.51 : x
  2. Step 2: Convert to fraction form
    126,308,402.82/189,193,976.10 = 60,632,724.51/x
  3. Step 3: Cross multiply
    126,308,402.82x = 189,193,976.10 × 60,632,724.51
  4. Step 4: Simplify right side
    126,308,402.82x = 11,471,346,231,822,824
  5. Step 5: Solve for x
    x = 11,471,346,231,822,824/126,308,402.82
  6. Step 6: Final answer
    x = 90,820,135.29

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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.