Home / 51,418,175.56-77,133,113.97-18,644,181.55

Finding the Fourth Proportional to 51,418,175.56, 77,133,113.97 and 18,644,181.55

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Solution

The fourth proportional to 51,418,175.56, 77,133,113.97 and 18,644,181.55 is: 27,968,393.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,418,175.56 : 77,133,113.97 = 18,644,181.55 : x
  2. Step 2: Convert to fraction form
    51,418,175.56/77,133,113.97 = 18,644,181.55/x
  3. Step 3: Cross multiply
    51,418,175.56x = 77,133,113.97 × 18,644,181.55
  4. Step 4: Simplify right side
    51,418,175.56x = 1,438,083,780,373,521.25
  5. Step 5: Solve for x
    x = 1,438,083,780,373,521.25/51,418,175.56
  6. Step 6: Final answer
    x = 27,968,393.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.