Home / 89,682,415.20-134,523,622.80-82,029,664.80

Finding the Fourth Proportional to 89,682,415.20, 134,523,622.80 and 82,029,664.80

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Solution

The fourth proportional to 89,682,415.20, 134,523,622.80 and 82,029,664.80 is: 123,044,497.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,682,415.20 : 134,523,622.80 = 82,029,664.80 : x
  2. Step 2: Convert to fraction form
    89,682,415.20/134,523,622.80 = 82,029,664.80/x
  3. Step 3: Cross multiply
    89,682,415.20x = 134,523,622.80 × 82,029,664.80
  4. Step 4: Simplify right side
    89,682,415.20x = 11,034,927,685,965,638
  5. Step 5: Solve for x
    x = 11,034,927,685,965,638/89,682,415.20
  6. Step 6: Final answer
    x = 123,044,497.20

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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.