Home / 139,524,791.43-192,562,546.83-80,009,378.14

Finding the Fourth Proportional to 139,524,791.43, 192,562,546.83 and 80,009,378.14

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Solution

The fourth proportional to 139,524,791.43, 192,562,546.83 and 80,009,378.14 is: 110,423,455.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,524,791.43 : 192,562,546.83 = 80,009,378.14 : x
  2. Step 2: Convert to fraction form
    139,524,791.43/192,562,546.83 = 80,009,378.14/x
  3. Step 3: Cross multiply
    139,524,791.43x = 192,562,546.83 × 80,009,378.14
  4. Step 4: Simplify right side
    139,524,791.43x = 15,406,809,624,922,930
  5. Step 5: Solve for x
    x = 15,406,809,624,922,930/139,524,791.43
  6. Step 6: Final answer
    x = 110,423,455.70

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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.