Home / 50,720,113.87-69,987,852.24-28,394,322.45

Finding the Fourth Proportional to 50,720,113.87, 69,987,852.24 and 28,394,322.45

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Solution

The fourth proportional to 50,720,113.87, 69,987,852.24 and 28,394,322.45 is: 39,180,859.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,720,113.87 : 69,987,852.24 = 28,394,322.45 : x
  2. Step 2: Convert to fraction form
    50,720,113.87/69,987,852.24 = 28,394,322.45/x
  3. Step 3: Cross multiply
    50,720,113.87x = 69,987,852.24 × 28,394,322.45
  4. Step 4: Simplify right side
    50,720,113.87x = 1,987,257,644,085,514.50
  5. Step 5: Solve for x
    x = 1,987,257,644,085,514.50/50,720,113.87
  6. Step 6: Final answer
    x = 39,180,859.28

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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.