Home / 136,340,112.66-188,153,998.38-80,633,286.06

Finding the Fourth Proportional to 136,340,112.66, 188,153,998.38 and 80,633,286.06

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Solution

The fourth proportional to 136,340,112.66, 188,153,998.38 and 80,633,286.06 is: 111,276,680.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,340,112.66 : 188,153,998.38 = 80,633,286.06 : x
  2. Step 2: Convert to fraction form
    136,340,112.66/188,153,998.38 = 80,633,286.06/x
  3. Step 3: Cross multiply
    136,340,112.66x = 188,153,998.38 × 80,633,286.06
  4. Step 4: Simplify right side
    136,340,112.66x = 15,171,475,174,707,316
  5. Step 5: Solve for x
    x = 15,171,475,174,707,316/136,340,112.66
  6. Step 6: Final answer
    x = 111,276,680.64

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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.