Home / 50,720,136.68-69,987,883.64-28,394,345.24

Finding the Fourth Proportional to 50,720,136.68, 69,987,883.64 and 28,394,345.24

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Solution

The fourth proportional to 50,720,136.68, 69,987,883.64 and 28,394,345.24 is: 39,180,890.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,720,136.68 : 69,987,883.64 = 28,394,345.24 : x
  2. Step 2: Convert to fraction form
    50,720,136.68/69,987,883.64 = 28,394,345.24/x
  3. Step 3: Cross multiply
    50,720,136.68x = 69,987,883.64 × 28,394,345.24
  4. Step 4: Simplify right side
    50,720,136.68x = 1,987,260,130,724,106
  5. Step 5: Solve for x
    x = 1,987,260,130,724,106/50,720,136.68
  6. Step 6: Final answer
    x = 39,180,890.69

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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.