Home / 57,021,773.48-85,541,195.81-20,638,676.37

Finding the Fourth Proportional to 57,021,773.48, 85,541,195.81 and 20,638,676.37

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Solution

The fourth proportional to 57,021,773.48, 85,541,195.81 and 20,638,676.37 is: 30,961,103.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,021,773.48 : 85,541,195.81 = 20,638,676.37 : x
  2. Step 2: Convert to fraction form
    57,021,773.48/85,541,195.81 = 20,638,676.37/x
  3. Step 3: Cross multiply
    57,021,773.48x = 85,541,195.81 × 20,638,676.37
  4. Step 4: Simplify right side
    57,021,773.48x = 1,765,457,056,522,196.75
  5. Step 5: Solve for x
    x = 1,765,457,056,522,196.75/57,021,773.48
  6. Step 6: Final answer
    x = 30,961,103.96

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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.