Home / 57,047,985.60-85,550,531.22-20,647,382.64

Finding the Fourth Proportional to 57,047,985.60, 85,550,531.22 and 20,647,382.64

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Solution

The fourth proportional to 57,047,985.60, 85,550,531.22 and 20,647,382.64 is: 30,963,311.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,047,985.60 : 85,550,531.22 = 20,647,382.64 : x
  2. Step 2: Convert to fraction form
    57,047,985.60/85,550,531.22 = 20,647,382.64/x
  3. Step 3: Cross multiply
    57,047,985.60x = 85,550,531.22 × 20,647,382.64
  4. Step 4: Simplify right side
    57,047,985.60x = 1,766,394,553,154,606
  5. Step 5: Solve for x
    x = 1,766,394,553,154,606/57,047,985.60
  6. Step 6: Final answer
    x = 30,963,311.58

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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.