Home / 50,409,640.80-75,586,467.60-20,083,240.80

Finding the Fourth Proportional to 50,409,640.80, 75,586,467.60 and 20,083,240.80

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Solution

The fourth proportional to 50,409,640.80, 75,586,467.60 and 20,083,240.80 is: 30,113,708.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,409,640.80 : 75,586,467.60 = 20,083,240.80 : x
  2. Step 2: Convert to fraction form
    50,409,640.80/75,586,467.60 = 20,083,240.80/x
  3. Step 3: Cross multiply
    50,409,640.80x = 75,586,467.60 × 20,083,240.80
  4. Step 4: Simplify right side
    50,409,640.80x = 1,518,021,230,032,198
  5. Step 5: Solve for x
    x = 1,518,021,230,032,198/50,409,640.80
  6. Step 6: Final answer
    x = 30,113,708.53

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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.