Home / 81,676,630.68-122,534,004.48-27,085,222.68

Finding the Fourth Proportional to 81,676,630.68, 122,534,004.48 and 27,085,222.68

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Solution

The fourth proportional to 81,676,630.68, 122,534,004.48 and 27,085,222.68 is: 40,634,154.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,676,630.68 : 122,534,004.48 = 27,085,222.68 : x
  2. Step 2: Convert to fraction form
    81,676,630.68/122,534,004.48 = 27,085,222.68/x
  3. Step 3: Cross multiply
    81,676,630.68x = 122,534,004.48 × 27,085,222.68
  4. Step 4: Simplify right side
    81,676,630.68x = 3,318,860,797,212,917.50
  5. Step 5: Solve for x
    x = 3,318,860,797,212,917.50/81,676,630.68
  6. Step 6: Final answer
    x = 40,634,154.10

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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.