Home / 136,944,999.27-188,873,904.70-120,389,726.39

Finding the Fourth Proportional to 136,944,999.27, 188,873,904.70 and 120,389,726.39

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Solution

The fourth proportional to 136,944,999.27, 188,873,904.70 and 120,389,726.39 is: 166,040,949.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,944,999.27 : 188,873,904.70 = 120,389,726.39 : x
  2. Step 2: Convert to fraction form
    136,944,999.27/188,873,904.70 = 120,389,726.39/x
  3. Step 3: Cross multiply
    136,944,999.27x = 188,873,904.70 × 120,389,726.39
  4. Step 4: Simplify right side
    136,944,999.27x = 22,738,477,708,250,052
  5. Step 5: Solve for x
    x = 22,738,477,708,250,052/136,944,999.27
  6. Step 6: Final answer
    x = 166,040,949.50

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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.