Home / 101,172,387.13-151,519,523.82-49,392,450.25

Finding the Fourth Proportional to 101,172,387.13, 151,519,523.82 and 49,392,450.25

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Solution

The fourth proportional to 101,172,387.13, 151,519,523.82 and 49,392,450.25 is: 73,971,967.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,172,387.13 : 151,519,523.82 = 49,392,450.25 : x
  2. Step 2: Convert to fraction form
    101,172,387.13/151,519,523.82 = 49,392,450.25/x
  3. Step 3: Cross multiply
    101,172,387.13x = 151,519,523.82 × 49,392,450.25
  4. Step 4: Simplify right side
    101,172,387.13x = 7,483,920,542,183,040
  5. Step 5: Solve for x
    x = 7,483,920,542,183,040/101,172,387.13
  6. Step 6: Final answer
    x = 73,971,967.59

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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.