Home / 136,944,994.77-188,873,898.48-120,389,721.89

Finding the Fourth Proportional to 136,944,994.77, 188,873,898.48 and 120,389,721.89

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Solution

The fourth proportional to 136,944,994.77, 188,873,898.48 and 120,389,721.89 is: 166,040,943.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,944,994.77 : 188,873,898.48 = 120,389,721.89 : x
  2. Step 2: Convert to fraction form
    136,944,994.77/188,873,898.48 = 120,389,721.89/x
  3. Step 3: Cross multiply
    136,944,994.77x = 188,873,898.48 × 120,389,721.89
  4. Step 4: Simplify right side
    136,944,994.77x = 22,738,476,109,342,924
  5. Step 5: Solve for x
    x = 22,738,476,109,342,924/136,944,994.77
  6. Step 6: Final answer
    x = 166,040,943.28

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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.