Home / 49,472,491.91-68,243,673.96-30,855,310.43

Finding the Fourth Proportional to 49,472,491.91, 68,243,673.96 and 30,855,310.43

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Solution

The fourth proportional to 49,472,491.91, 68,243,673.96 and 30,855,310.43 is: 42,562,637.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,472,491.91 : 68,243,673.96 = 30,855,310.43 : x
  2. Step 2: Convert to fraction form
    49,472,491.91/68,243,673.96 = 30,855,310.43/x
  3. Step 3: Cross multiply
    49,472,491.91x = 68,243,673.96 × 30,855,310.43
  4. Step 4: Simplify right side
    49,472,491.91x = 2,105,679,744,578,289
  5. Step 5: Solve for x
    x = 2,105,679,744,578,289/49,472,491.91
  6. Step 6: Final answer
    x = 42,562,637.61

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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.