Home / 57,287,468.55-85,944,015.48-20,895,858.92

Finding the Fourth Proportional to 57,287,468.55, 85,944,015.48 and 20,895,858.92

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Solution

The fourth proportional to 57,287,468.55, 85,944,015.48 and 20,895,858.92 is: 31,348,461.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,287,468.55 : 85,944,015.48 = 20,895,858.92 : x
  2. Step 2: Convert to fraction form
    57,287,468.55/85,944,015.48 = 20,895,858.92/x
  3. Step 3: Cross multiply
    57,287,468.55x = 85,944,015.48 × 20,895,858.92
  4. Step 4: Simplify right side
    57,287,468.55x = 1,795,874,022,180,621.50
  5. Step 5: Solve for x
    x = 1,795,874,022,180,621.50/57,287,468.55
  6. Step 6: Final answer
    x = 31,348,461.85

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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.