Home / 195,082,768.37-292,551,245.46-78,458,760.65

Finding the Fourth Proportional to 195,082,768.37, 292,551,245.46 and 78,458,760.65

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Solution

The fourth proportional to 195,082,768.37, 292,551,245.46 and 78,458,760.65 is: 117,658,819.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,082,768.37 : 292,551,245.46 = 78,458,760.65 : x
  2. Step 2: Convert to fraction form
    195,082,768.37/292,551,245.46 = 78,458,760.65/x
  3. Step 3: Cross multiply
    195,082,768.37x = 292,551,245.46 × 78,458,760.65
  4. Step 4: Simplify right side
    195,082,768.37x = 22,953,208,143,942,780
  5. Step 5: Solve for x
    x = 22,953,208,143,942,780/195,082,768.37
  6. Step 6: Final answer
    x = 117,658,819.06

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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.