Home / 128,795,211.20-193,192,816.80-116,055,012.80

Finding the Fourth Proportional to 128,795,211.20, 193,192,816.80 and 116,055,012.80

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Solution

The fourth proportional to 128,795,211.20, 193,192,816.80 and 116,055,012.80 is: 174,082,519.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,795,211.20 : 193,192,816.80 = 116,055,012.80 : x
  2. Step 2: Convert to fraction form
    128,795,211.20/193,192,816.80 = 116,055,012.80/x
  3. Step 3: Cross multiply
    128,795,211.20x = 193,192,816.80 × 116,055,012.80
  4. Step 4: Simplify right side
    128,795,211.20x = 22,420,994,826,592,056
  5. Step 5: Solve for x
    x = 22,420,994,826,592,056/128,795,211.20
  6. Step 6: Final answer
    x = 174,082,519.20

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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.