Home / 72,522,049.37-100,081,033.67-39,482,528.47

Finding the Fourth Proportional to 72,522,049.37, 100,081,033.67 and 39,482,528.47

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Solution

The fourth proportional to 72,522,049.37, 100,081,033.67 and 39,482,528.47 is: 54,486,218.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,522,049.37 : 100,081,033.67 = 39,482,528.47 : x
  2. Step 2: Convert to fraction form
    72,522,049.37/100,081,033.67 = 39,482,528.47/x
  3. Step 3: Cross multiply
    72,522,049.37x = 100,081,033.67 × 39,482,528.47
  4. Step 4: Simplify right side
    72,522,049.37x = 3,951,452,261,372,371.50
  5. Step 5: Solve for x
    x = 3,951,452,261,372,371.50/72,522,049.37
  6. Step 6: Final answer
    x = 54,486,218.96

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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.