Home / 49,231,642.71-73,850,613.21-18,939,505.71

Finding the Fourth Proportional to 49,231,642.71, 73,850,613.21 and 18,939,505.71

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Solution

The fourth proportional to 49,231,642.71, 73,850,613.21 and 18,939,505.71 is: 28,410,470.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,231,642.71 : 73,850,613.21 = 18,939,505.71 : x
  2. Step 2: Convert to fraction form
    49,231,642.71/73,850,613.21 = 18,939,505.71/x
  3. Step 3: Cross multiply
    49,231,642.71x = 73,850,613.21 × 18,939,505.71
  4. Step 4: Simplify right side
    49,231,642.71x = 1,398,694,110,577,796.25
  5. Step 5: Solve for x
    x = 1,398,694,110,577,796.25/49,231,642.71
  6. Step 6: Final answer
    x = 28,410,470.05

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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.