Home / 81,650,234.60-122,333,634.30-52,881,561.80

Finding the Fourth Proportional to 81,650,234.60, 122,333,634.30 and 52,881,561.80

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Solution

The fourth proportional to 81,650,234.60, 122,333,634.30 and 52,881,561.80 is: 79,230,557.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,650,234.60 : 122,333,634.30 = 52,881,561.80 : x
  2. Step 2: Convert to fraction form
    81,650,234.60/122,333,634.30 = 52,881,561.80/x
  3. Step 3: Cross multiply
    81,650,234.60x = 122,333,634.30 × 52,881,561.80
  4. Step 4: Simplify right side
    81,650,234.60x = 6,469,193,642,454,049
  5. Step 5: Solve for x
    x = 6,469,193,642,454,049/81,650,234.60
  6. Step 6: Final answer
    x = 79,230,557.93

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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.