Home / 285,331,307.49-393,757,261.44-173,822,142.48

Finding the Fourth Proportional to 285,331,307.49, 393,757,261.44 and 173,822,142.48

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Solution

The fourth proportional to 285,331,307.49, 393,757,261.44 and 173,822,142.48 is: 239,874,591.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,331,307.49 : 393,757,261.44 = 173,822,142.48 : x
  2. Step 2: Convert to fraction form
    285,331,307.49/393,757,261.44 = 173,822,142.48/x
  3. Step 3: Cross multiply
    285,331,307.49x = 393,757,261.44 × 173,822,142.48
  4. Step 4: Simplify right side
    285,331,307.49x = 68,443,730,800,558,288
  5. Step 5: Solve for x
    x = 68,443,730,800,558,288/285,331,307.49
  6. Step 6: Final answer
    x = 239,874,591.41

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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.