Home / 55,305,951.48-82,962,912.96-21,227,297.34

Finding the Fourth Proportional to 55,305,951.48, 82,962,912.96 and 21,227,297.34

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Solution

The fourth proportional to 55,305,951.48, 82,962,912.96 and 21,227,297.34 is: 31,842,475.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,305,951.48 : 82,962,912.96 = 21,227,297.34 : x
  2. Step 2: Convert to fraction form
    55,305,951.48/82,962,912.96 = 21,227,297.34/x
  3. Step 3: Cross multiply
    55,305,951.48x = 82,962,912.96 × 21,227,297.34
  4. Step 4: Simplify right side
    55,305,951.48x = 1,761,078,421,594,459.25
  5. Step 5: Solve for x
    x = 1,761,078,421,594,459.25/55,305,951.48
  6. Step 6: Final answer
    x = 31,842,475.80

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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.