Home / 72,149,601.12-108,261,609.84-33,815,009.76

Finding the Fourth Proportional to 72,149,601.12, 108,261,609.84 and 33,815,009.76

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Solution

The fourth proportional to 72,149,601.12, 108,261,609.84 and 33,815,009.76 is: 50,739,953.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,149,601.12 : 108,261,609.84 = 33,815,009.76 : x
  2. Step 2: Convert to fraction form
    72,149,601.12/108,261,609.84 = 33,815,009.76/x
  3. Step 3: Cross multiply
    72,149,601.12x = 108,261,609.84 × 33,815,009.76
  4. Step 4: Simplify right side
    72,149,601.12x = 3,660,867,393,372,912
  5. Step 5: Solve for x
    x = 3,660,867,393,372,912/72,149,601.12
  6. Step 6: Final answer
    x = 50,739,953.33

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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.