Home / 262,920,003.20-394,380,004.80-68,831,043.20

Finding the Fourth Proportional to 262,920,003.20, 394,380,004.80 and 68,831,043.20

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Solution

The fourth proportional to 262,920,003.20, 394,380,004.80 and 68,831,043.20 is: 103,246,564.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,920,003.20 : 394,380,004.80 = 68,831,043.20 : x
  2. Step 2: Convert to fraction form
    262,920,003.20/394,380,004.80 = 68,831,043.20/x
  3. Step 3: Cross multiply
    262,920,003.20x = 394,380,004.80 × 68,831,043.20
  4. Step 4: Simplify right side
    262,920,003.20x = 27,145,587,147,605,008
  5. Step 5: Solve for x
    x = 27,145,587,147,605,008/262,920,003.20
  6. Step 6: Final answer
    x = 103,246,564.80

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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.