Home / 128,794,803.20-193,192,204.80-116,054,604.80

Finding the Fourth Proportional to 128,794,803.20, 193,192,204.80 and 116,054,604.80

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Solution

The fourth proportional to 128,794,803.20, 193,192,204.80 and 116,054,604.80 is: 174,081,907.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,794,803.20 : 193,192,204.80 = 116,054,604.80 : x
  2. Step 2: Convert to fraction form
    128,794,803.20/193,192,204.80 = 116,054,604.80/x
  3. Step 3: Cross multiply
    128,794,803.20x = 193,192,204.80 × 116,054,604.80
  4. Step 4: Simplify right side
    128,794,803.20x = 22,420,844,978,504,664
  5. Step 5: Solve for x
    x = 22,420,844,978,504,664/128,794,803.20
  6. Step 6: Final answer
    x = 174,081,907.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.