Home / 73,438,999.10-110,185,617.45-30,311,942.30

Finding the Fourth Proportional to 73,438,999.10, 110,185,617.45 and 30,311,942.30

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Solution

The fourth proportional to 73,438,999.10, 110,185,617.45 and 30,311,942.30 is: 45,479,106.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,438,999.10 : 110,185,617.45 = 30,311,942.30 : x
  2. Step 2: Convert to fraction form
    73,438,999.10/110,185,617.45 = 30,311,942.30/x
  3. Step 3: Cross multiply
    73,438,999.10x = 110,185,617.45 × 30,311,942.30
  4. Step 4: Simplify right side
    73,438,999.10x = 3,339,940,078,434,273.50
  5. Step 5: Solve for x
    x = 3,339,940,078,434,273.50/73,438,999.10
  6. Step 6: Final answer
    x = 45,479,106.73

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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.