Home / 188,530,936.84-260,168,612.89-109,149,345.44

Finding the Fourth Proportional to 188,530,936.84, 260,168,612.89 and 109,149,345.44

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Solution

The fourth proportional to 188,530,936.84, 260,168,612.89 and 109,149,345.44 is: 150,623,734.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,530,936.84 : 260,168,612.89 = 109,149,345.44 : x
  2. Step 2: Convert to fraction form
    188,530,936.84/260,168,612.89 = 109,149,345.44/x
  3. Step 3: Cross multiply
    188,530,936.84x = 260,168,612.89 × 109,149,345.44
  4. Step 4: Simplify right side
    188,530,936.84x = 28,397,233,799,129,656
  5. Step 5: Solve for x
    x = 28,397,233,799,129,656/188,530,936.84
  6. Step 6: Final answer
    x = 150,623,734.63

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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.