Home / 82,596,105.65-123,782,552.43-31,450,223.81

Finding the Fourth Proportional to 82,596,105.65, 123,782,552.43 and 31,450,223.81

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Solution

The fourth proportional to 82,596,105.65, 123,782,552.43 and 31,450,223.81 is: 47,132,839.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,596,105.65 : 123,782,552.43 = 31,450,223.81 : x
  2. Step 2: Convert to fraction form
    82,596,105.65/123,782,552.43 = 31,450,223.81/x
  3. Step 3: Cross multiply
    82,596,105.65x = 123,782,552.43 × 31,450,223.81
  4. Step 4: Simplify right side
    82,596,105.65x = 3,892,988,977,077,647
  5. Step 5: Solve for x
    x = 3,892,988,977,077,647/82,596,105.65
  6. Step 6: Final answer
    x = 47,132,839.34

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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.