Home / 81,650,724.40-122,476,086.60-36,301,092.40

Finding the Fourth Proportional to 81,650,724.40, 122,476,086.60 and 36,301,092.40

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Solution

The fourth proportional to 81,650,724.40, 122,476,086.60 and 36,301,092.40 is: 54,451,638.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,650,724.40 : 122,476,086.60 = 36,301,092.40 : x
  2. Step 2: Convert to fraction form
    81,650,724.40/122,476,086.60 = 36,301,092.40/x
  3. Step 3: Cross multiply
    81,650,724.40x = 122,476,086.60 × 36,301,092.40
  4. Step 4: Simplify right side
    81,650,724.40x = 4,446,015,736,457,001.50
  5. Step 5: Solve for x
    x = 4,446,015,736,457,001.50/81,650,724.40
  6. Step 6: Final answer
    x = 54,451,638.60

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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.