Home / 50,613,640.75-75,924,004.47-20,321,503.75

Finding the Fourth Proportional to 50,613,640.75, 75,924,004.47 and 20,321,503.75

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Solution

The fourth proportional to 50,613,640.75, 75,924,004.47 and 20,321,503.75 is: 30,483,678.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,613,640.75 : 75,924,004.47 = 20,321,503.75 : x
  2. Step 2: Convert to fraction form
    50,613,640.75/75,924,004.47 = 20,321,503.75/x
  3. Step 3: Cross multiply
    50,613,640.75x = 75,924,004.47 × 20,321,503.75
  4. Step 4: Simplify right side
    50,613,640.75x = 1,542,889,941,552,121.75
  5. Step 5: Solve for x
    x = 1,542,889,941,552,121.75/50,613,640.75
  6. Step 6: Final answer
    x = 30,483,678.29

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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.