Home / 285,081,827.22-393,412,922.37-154,701,635.22

Finding the Fourth Proportional to 285,081,827.22, 393,412,922.37 and 154,701,635.22

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Solution

The fourth proportional to 285,081,827.22, 393,412,922.37 and 154,701,635.22 is: 213,488,257.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,081,827.22 : 393,412,922.37 = 154,701,635.22 : x
  2. Step 2: Convert to fraction form
    285,081,827.22/393,412,922.37 = 154,701,635.22/x
  3. Step 3: Cross multiply
    285,081,827.22x = 393,412,922.37 × 154,701,635.22
  4. Step 4: Simplify right side
    285,081,827.22x = 60,861,622,407,317,920
  5. Step 5: Solve for x
    x = 60,861,622,407,317,920/285,081,827.22
  6. Step 6: Final answer
    x = 213,488,257.04

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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.