Home / 318,733,213.78-439,847,363.94-177,610,382.24

Finding the Fourth Proportional to 318,733,213.78, 439,847,363.94 and 177,610,382.24

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Solution

The fourth proportional to 318,733,213.78, 439,847,363.94 and 177,610,382.24 is: 245,099,836.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,733,213.78 : 439,847,363.94 = 177,610,382.24 : x
  2. Step 2: Convert to fraction form
    318,733,213.78/439,847,363.94 = 177,610,382.24/x
  3. Step 3: Cross multiply
    318,733,213.78x = 439,847,363.94 × 177,610,382.24
  4. Step 4: Simplify right side
    318,733,213.78x = 78,121,458,436,639,792
  5. Step 5: Solve for x
    x = 78,121,458,436,639,792/318,733,213.78
  6. Step 6: Final answer
    x = 245,099,836.04

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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.