Home / 57,193,067.60-85,789,601.40-21,283,845.20

Finding the Fourth Proportional to 57,193,067.60, 85,789,601.40 and 21,283,845.20

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Solution

The fourth proportional to 57,193,067.60, 85,789,601.40 and 21,283,845.20 is: 31,925,767.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,193,067.60 : 85,789,601.40 = 21,283,845.20 : x
  2. Step 2: Convert to fraction form
    57,193,067.60/85,789,601.40 = 21,283,845.20/x
  3. Step 3: Cross multiply
    57,193,067.60x = 85,789,601.40 × 21,283,845.20
  4. Step 4: Simplify right side
    57,193,067.60x = 1,825,932,595,967,303.25
  5. Step 5: Solve for x
    x = 1,825,932,595,967,303.25/57,193,067.60
  6. Step 6: Final answer
    x = 31,925,767.80

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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.