Home / 48,372,311.22-72,558,015.12-19,611,609.90

Finding the Fourth Proportional to 48,372,311.22, 72,558,015.12 and 19,611,609.90

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Solution

The fourth proportional to 48,372,311.22, 72,558,015.12 and 19,611,609.90 is: 29,417,231.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,372,311.22 : 72,558,015.12 = 19,611,609.90 : x
  2. Step 2: Convert to fraction form
    48,372,311.22/72,558,015.12 = 19,611,609.90/x
  3. Step 3: Cross multiply
    48,372,311.22x = 72,558,015.12 × 19,611,609.90
  4. Step 4: Simplify right side
    48,372,311.22x = 1,422,979,487,651,741.75
  5. Step 5: Solve for x
    x = 1,422,979,487,651,741.75/48,372,311.22
  6. Step 6: Final answer
    x = 29,417,231.71

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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.