Home / 74,431,635.75-111,628,891.34-21,898,853.96

Finding the Fourth Proportional to 74,431,635.75, 111,628,891.34 and 21,898,853.96

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Solution

The fourth proportional to 74,431,635.75, 111,628,891.34 and 21,898,853.96 is: 32,842,819.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,431,635.75 : 111,628,891.34 = 21,898,853.96 : x
  2. Step 2: Convert to fraction form
    74,431,635.75/111,628,891.34 = 21,898,853.96/x
  3. Step 3: Cross multiply
    74,431,635.75x = 111,628,891.34 × 21,898,853.96
  4. Step 4: Simplify right side
    74,431,635.75x = 2,444,544,789,650,846.50
  5. Step 5: Solve for x
    x = 2,444,544,789,650,846.50/74,431,635.75
  6. Step 6: Final answer
    x = 32,842,819.66

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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.