Home / 50,720,140.94-69,987,889.50-28,394,349.50

Finding the Fourth Proportional to 50,720,140.94, 69,987,889.50 and 28,394,349.50

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Solution

The fourth proportional to 50,720,140.94, 69,987,889.50 and 28,394,349.50 is: 39,180,896.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,720,140.94 : 69,987,889.50 = 28,394,349.50 : x
  2. Step 2: Convert to fraction form
    50,720,140.94/69,987,889.50 = 28,394,349.50/x
  3. Step 3: Cross multiply
    50,720,140.94x = 69,987,889.50 × 28,394,349.50
  4. Step 4: Simplify right side
    50,720,140.94x = 1,987,260,595,230,380.25
  5. Step 5: Solve for x
    x = 1,987,260,595,230,380.25/50,720,140.94
  6. Step 6: Final answer
    x = 39,180,896.55

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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.