Home / 82,323,869.42-123,454,415.18-27,721,794.94

Finding the Fourth Proportional to 82,323,869.42, 123,454,415.18 and 27,721,794.94

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Solution

The fourth proportional to 82,323,869.42, 123,454,415.18 and 27,721,794.94 is: 41,572,122.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,323,869.42 : 123,454,415.18 = 27,721,794.94 : x
  2. Step 2: Convert to fraction form
    82,323,869.42/123,454,415.18 = 27,721,794.94/x
  3. Step 3: Cross multiply
    82,323,869.42x = 123,454,415.18 × 27,721,794.94
  4. Step 4: Simplify right side
    82,323,869.42x = 3,422,377,981,818,252
  5. Step 5: Solve for x
    x = 3,422,377,981,818,252/82,323,869.42
  6. Step 6: Final answer
    x = 41,572,122.47

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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.