Home / 81,969,932.73-122,936,789.39-23,664,946.08

Finding the Fourth Proportional to 81,969,932.73, 122,936,789.39 and 23,664,946.08

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Solution

The fourth proportional to 81,969,932.73, 122,936,789.39 and 23,664,946.08 is: 35,492,190.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,969,932.73 : 122,936,789.39 = 23,664,946.08 : x
  2. Step 2: Convert to fraction form
    81,969,932.73/122,936,789.39 = 23,664,946.08/x
  3. Step 3: Cross multiply
    81,969,932.73x = 122,936,789.39 × 23,664,946.08
  4. Step 4: Simplify right side
    81,969,932.73x = 2,909,292,492,044,341.50
  5. Step 5: Solve for x
    x = 2,909,292,492,044,341.50/81,969,932.73
  6. Step 6: Final answer
    x = 35,492,190.80

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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.