Home / 81,576,151.76-122,363,683.32-33,053,289.68

Finding the Fourth Proportional to 81,576,151.76, 122,363,683.32 and 33,053,289.68

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Solution

The fourth proportional to 81,576,151.76, 122,363,683.32 and 33,053,289.68 is: 49,579,713.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,576,151.76 : 122,363,683.32 = 33,053,289.68 : x
  2. Step 2: Convert to fraction form
    81,576,151.76/122,363,683.32 = 33,053,289.68/x
  3. Step 3: Cross multiply
    81,576,151.76x = 122,363,683.32 × 33,053,289.68
  4. Step 4: Simplify right side
    81,576,151.76x = 4,044,522,271,087,744
  5. Step 5: Solve for x
    x = 4,044,522,271,087,744/81,576,151.76
  6. Step 6: Final answer
    x = 49,579,713.97

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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.