Home / 72,149,600.79-108,261,609.37-33,815,009.43

Finding the Fourth Proportional to 72,149,600.79, 108,261,609.37 and 33,815,009.43

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Solution

The fourth proportional to 72,149,600.79, 108,261,609.37 and 33,815,009.43 is: 50,739,952.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,149,600.79 : 108,261,609.37 = 33,815,009.43 : x
  2. Step 2: Convert to fraction form
    72,149,600.79/108,261,609.37 = 33,815,009.43/x
  3. Step 3: Cross multiply
    72,149,600.79x = 108,261,609.37 × 33,815,009.43
  4. Step 4: Simplify right side
    72,149,600.79x = 3,660,867,341,753,526.50
  5. Step 5: Solve for x
    x = 3,660,867,341,753,526.50/72,149,600.79
  6. Step 6: Final answer
    x = 50,739,952.84

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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.