Home / 82,596,105.14-123,782,551.68-31,450,223.30

Finding the Fourth Proportional to 82,596,105.14, 123,782,551.68 and 31,450,223.30

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Solution

The fourth proportional to 82,596,105.14, 123,782,551.68 and 31,450,223.30 is: 47,132,838.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,596,105.14 : 123,782,551.68 = 31,450,223.30 : x
  2. Step 2: Convert to fraction form
    82,596,105.14/123,782,551.68 = 31,450,223.30/x
  3. Step 3: Cross multiply
    82,596,105.14x = 123,782,551.68 × 31,450,223.30
  4. Step 4: Simplify right side
    82,596,105.14x = 3,892,988,890,979,790.50
  5. Step 5: Solve for x
    x = 3,892,988,890,979,790.50/82,596,105.14
  6. Step 6: Final answer
    x = 47,132,838.58

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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.