Home / 76,801,889.87-115,202,945.67-31,363,684.37

Finding the Fourth Proportional to 76,801,889.87, 115,202,945.67 and 31,363,684.37

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Solution

The fourth proportional to 76,801,889.87, 115,202,945.67 and 31,363,684.37 is: 47,045,571.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,801,889.87 : 115,202,945.67 = 31,363,684.37 : x
  2. Step 2: Convert to fraction form
    76,801,889.87/115,202,945.67 = 31,363,684.37/x
  3. Step 3: Cross multiply
    76,801,889.87x = 115,202,945.67 × 31,363,684.37
  4. Step 4: Simplify right side
    76,801,889.87x = 3,613,188,825,912,123.50
  5. Step 5: Solve for x
    x = 3,613,188,825,912,123.50/76,801,889.87
  6. Step 6: Final answer
    x = 47,045,571.82

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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.