Home / 124,919,028.54-172,393,647.57-69,164,449.20

Finding the Fourth Proportional to 124,919,028.54, 172,393,647.57 and 69,164,449.20

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Solution

The fourth proportional to 124,919,028.54, 172,393,647.57 and 69,164,449.20 is: 95,449,923.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,919,028.54 : 172,393,647.57 = 69,164,449.20 : x
  2. Step 2: Convert to fraction form
    124,919,028.54/172,393,647.57 = 69,164,449.20/x
  3. Step 3: Cross multiply
    124,919,028.54x = 172,393,647.57 × 69,164,449.20
  4. Step 4: Simplify right side
    124,919,028.54x = 11,923,511,679,757,968
  5. Step 5: Solve for x
    x = 11,923,511,679,757,968/124,919,028.54
  6. Step 6: Final answer
    x = 95,449,923.20

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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.