Home / 89,809,122.24-123,936,613.38-49,575,142.56

Finding the Fourth Proportional to 89,809,122.24, 123,936,613.38 and 49,575,142.56

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Solution

The fourth proportional to 89,809,122.24, 123,936,613.38 and 49,575,142.56 is: 68,413,710.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,809,122.24 : 123,936,613.38 = 49,575,142.56 : x
  2. Step 2: Convert to fraction form
    89,809,122.24/123,936,613.38 = 49,575,142.56/x
  3. Step 3: Cross multiply
    89,809,122.24x = 123,936,613.38 × 49,575,142.56
  4. Step 4: Simplify right side
    89,809,122.24x = 6,144,175,276,717,104
  5. Step 5: Solve for x
    x = 6,144,175,276,717,104/89,809,122.24
  6. Step 6: Final answer
    x = 68,413,710.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.