Home / 101,499,919.62-140,069,992.74-55,090,183.11

Finding the Fourth Proportional to 101,499,919.62, 140,069,992.74 and 55,090,183.11

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Solution

The fourth proportional to 101,499,919.62, 140,069,992.74 and 55,090,183.11 is: 76,024,508.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,499,919.62 : 140,069,992.74 = 55,090,183.11 : x
  2. Step 2: Convert to fraction form
    101,499,919.62/140,069,992.74 = 55,090,183.11/x
  3. Step 3: Cross multiply
    101,499,919.62x = 140,069,992.74 × 55,090,183.11
  4. Step 4: Simplify right side
    101,499,919.62x = 7,716,481,548,262,971
  5. Step 5: Solve for x
    x = 7,716,481,548,262,971/101,499,919.62
  6. Step 6: Final answer
    x = 76,024,508.96

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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.