Home / 87,222,167.76-120,372,241.59-50,054,014.68

Finding the Fourth Proportional to 87,222,167.76, 120,372,241.59 and 50,054,014.68

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Solution

The fourth proportional to 87,222,167.76, 120,372,241.59 and 50,054,014.68 is: 69,077,782.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,222,167.76 : 120,372,241.59 = 50,054,014.68 : x
  2. Step 2: Convert to fraction form
    87,222,167.76/120,372,241.59 = 50,054,014.68/x
  3. Step 3: Cross multiply
    87,222,167.76x = 120,372,241.59 × 50,054,014.68
  4. Step 4: Simplify right side
    87,222,167.76x = 6,025,113,946,758,235
  5. Step 5: Solve for x
    x = 6,025,113,946,758,235/87,222,167.76
  6. Step 6: Final answer
    x = 69,077,782.65

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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.