Home / 81,707,766.93-122,560,600.64-27,145,441.17

Finding the Fourth Proportional to 81,707,766.93, 122,560,600.64 and 27,145,441.17

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Solution

The fourth proportional to 81,707,766.93, 122,560,600.64 and 27,145,441.17 is: 40,717,813.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,707,766.93 : 122,560,600.64 = 27,145,441.17 : x
  2. Step 2: Convert to fraction form
    81,707,766.93/122,560,600.64 = 27,145,441.17/x
  3. Step 3: Cross multiply
    81,707,766.93x = 122,560,600.64 × 27,145,441.17
  4. Step 4: Simplify right side
    81,707,766.93x = 3,326,961,574,297,257.50
  5. Step 5: Solve for x
    x = 3,326,961,574,297,257.50/81,707,766.93
  6. Step 6: Final answer
    x = 40,717,813.00

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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.