Home / 81,990,926.67-122,986,623.48-23,703,349.68

Finding the Fourth Proportional to 81,990,926.67, 122,986,623.48 and 23,703,349.68

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Solution

The fourth proportional to 81,990,926.67, 122,986,623.48 and 23,703,349.68 is: 35,555,092.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,990,926.67 : 122,986,623.48 = 23,703,349.68 : x
  2. Step 2: Convert to fraction form
    81,990,926.67/122,986,623.48 = 23,703,349.68/x
  3. Step 3: Cross multiply
    81,990,926.67x = 122,986,623.48 × 23,703,349.68
  4. Step 4: Simplify right side
    81,990,926.67x = 2,915,194,942,770,138.50
  5. Step 5: Solve for x
    x = 2,915,194,942,770,138.50/81,990,926.67
  6. Step 6: Final answer
    x = 35,555,092.02

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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.