Home / 57,150,383.44-85,718,784.12-18,802,387.12

Finding the Fourth Proportional to 57,150,383.44, 85,718,784.12 and 18,802,387.12

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Solution

The fourth proportional to 57,150,383.44, 85,718,784.12 and 18,802,387.12 is: 28,201,346.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,150,383.44 : 85,718,784.12 = 18,802,387.12 : x
  2. Step 2: Convert to fraction form
    57,150,383.44/85,718,784.12 = 18,802,387.12/x
  3. Step 3: Cross multiply
    57,150,383.44x = 85,718,784.12 × 18,802,387.12
  4. Step 4: Simplify right side
    57,150,383.44x = 1,611,717,762,479,948.75
  5. Step 5: Solve for x
    x = 1,611,717,762,479,948.75/57,150,383.44
  6. Step 6: Final answer
    x = 28,201,346.44

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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.