Home / 50,138,028.86-69,173,940.55-30,284,375.88

Finding the Fourth Proportional to 50,138,028.86, 69,173,940.55 and 30,284,375.88

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Solution

The fourth proportional to 50,138,028.86, 69,173,940.55 and 30,284,375.88 is: 41,782,448.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,138,028.86 : 69,173,940.55 = 30,284,375.88 : x
  2. Step 2: Convert to fraction form
    50,138,028.86/69,173,940.55 = 30,284,375.88/x
  3. Step 3: Cross multiply
    50,138,028.86x = 69,173,940.55 × 30,284,375.88
  4. Step 4: Simplify right side
    50,138,028.86x = 2,094,889,616,716,973.75
  5. Step 5: Solve for x
    x = 2,094,889,616,716,973.75/50,138,028.86
  6. Step 6: Final answer
    x = 41,782,448.66

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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.