Home / 104,108,709.78-156,131,620.94-31,306,164.34

Finding the Fourth Proportional to 104,108,709.78, 156,131,620.94 and 31,306,164.34

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Solution

The fourth proportional to 104,108,709.78, 156,131,620.94 and 31,306,164.34 is: 46,949,791.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,108,709.78 : 156,131,620.94 = 31,306,164.34 : x
  2. Step 2: Convert to fraction form
    104,108,709.78/156,131,620.94 = 31,306,164.34/x
  3. Step 3: Cross multiply
    104,108,709.78x = 156,131,620.94 × 31,306,164.34
  4. Step 4: Simplify right side
    104,108,709.78x = 4,887,882,183,818,225
  5. Step 5: Solve for x
    x = 4,887,882,183,818,225/104,108,709.78
  6. Step 6: Final answer
    x = 46,949,791.18

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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.