Home / 81,833,824.30-122,766,907.25-30,018,908.09

Finding the Fourth Proportional to 81,833,824.30, 122,766,907.25 and 30,018,908.09

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Solution

The fourth proportional to 81,833,824.30, 122,766,907.25 and 30,018,908.09 is: 45,034,294.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,833,824.30 : 122,766,907.25 = 30,018,908.09 : x
  2. Step 2: Convert to fraction form
    81,833,824.30/122,766,907.25 = 30,018,908.09/x
  3. Step 3: Cross multiply
    81,833,824.30x = 122,766,907.25 × 30,018,908.09
  4. Step 4: Simplify right side
    81,833,824.30x = 3,685,328,505,231,304.50
  5. Step 5: Solve for x
    x = 3,685,328,505,231,304.50/81,833,824.30
  6. Step 6: Final answer
    x = 45,034,294.03

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.