Home / 101,991,324.78-140,744,453.31-55,580,631.66

Finding the Fourth Proportional to 101,991,324.78, 140,744,453.31 and 55,580,631.66

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Solution

The fourth proportional to 101,991,324.78, 140,744,453.31 and 55,580,631.66 is: 76,699,323.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,991,324.78 : 140,744,453.31 = 55,580,631.66 : x
  2. Step 2: Convert to fraction form
    101,991,324.78/140,744,453.31 = 55,580,631.66/x
  3. Step 3: Cross multiply
    101,991,324.78x = 140,744,453.31 × 55,580,631.66
  4. Step 4: Simplify right side
    101,991,324.78x = 7,822,665,617,611,177
  5. Step 5: Solve for x
    x = 7,822,665,617,611,177/101,991,324.78
  6. Step 6: Final answer
    x = 76,699,323.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.