Home / 136,340,233.55-188,154,164.78-80,633,406.95

Finding the Fourth Proportional to 136,340,233.55, 188,154,164.78 and 80,633,406.95

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Solution

The fourth proportional to 136,340,233.55, 188,154,164.78 and 80,633,406.95 is: 111,276,847.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,340,233.55 : 188,154,164.78 = 80,633,406.95 : x
  2. Step 2: Convert to fraction form
    136,340,233.55/188,154,164.78 = 80,633,406.95/x
  3. Step 3: Cross multiply
    136,340,233.55x = 188,154,164.78 × 80,633,406.95
  4. Step 4: Simplify right side
    136,340,233.55x = 15,171,511,338,043,098
  5. Step 5: Solve for x
    x = 15,171,511,338,043,098/136,340,233.55
  6. Step 6: Final answer
    x = 111,276,847.22

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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.