Home / 82,848,456.76-124,545,121.62-76,855,537.30

Finding the Fourth Proportional to 82,848,456.76, 124,545,121.62 and 76,855,537.30

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Solution

The fourth proportional to 82,848,456.76, 124,545,121.62 and 76,855,537.30 is: 115,536,035.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,848,456.76 : 124,545,121.62 = 76,855,537.30 : x
  2. Step 2: Convert to fraction form
    82,848,456.76/124,545,121.62 = 76,855,537.30/x
  3. Step 3: Cross multiply
    82,848,456.76x = 124,545,121.62 × 76,855,537.30
  4. Step 4: Simplify right side
    82,848,456.76x = 9,571,982,240,198,946
  5. Step 5: Solve for x
    x = 9,571,982,240,198,946/82,848,456.76
  6. Step 6: Final answer
    x = 115,536,035.49

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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.