Home / 56,794,772.40-85,204,600.20-18,449,761.20

Finding the Fourth Proportional to 56,794,772.40, 85,204,600.20 and 18,449,761.20

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Solution

The fourth proportional to 56,794,772.40, 85,204,600.20 and 18,449,761.20 is: 27,678,683.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,794,772.40 : 85,204,600.20 = 18,449,761.20 : x
  2. Step 2: Convert to fraction form
    56,794,772.40/85,204,600.20 = 18,449,761.20/x
  3. Step 3: Cross multiply
    56,794,772.40x = 85,204,600.20 × 18,449,761.20
  4. Step 4: Simplify right side
    56,794,772.40x = 1,572,004,526,831,472.25
  5. Step 5: Solve for x
    x = 1,572,004,526,831,472.25/56,794,772.40
  6. Step 6: Final answer
    x = 27,678,683.45

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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.