Home / 231,795,631.26-319,880,517.12-127,373,729.58

Finding the Fourth Proportional to 231,795,631.26, 319,880,517.12 and 127,373,729.58

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Solution

The fourth proportional to 231,795,631.26, 319,880,517.12 and 127,373,729.58 is: 175,777,145.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,795,631.26 : 319,880,517.12 = 127,373,729.58 : x
  2. Step 2: Convert to fraction form
    231,795,631.26/319,880,517.12 = 127,373,729.58/x
  3. Step 3: Cross multiply
    231,795,631.26x = 319,880,517.12 × 127,373,729.58
  4. Step 4: Simplify right side
    231,795,631.26x = 40,744,374,485,553,440
  5. Step 5: Solve for x
    x = 40,744,374,485,553,440/231,795,631.26
  6. Step 6: Final answer
    x = 175,777,145.86

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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.