Home / 74,431,635.33-111,628,890.71-21,898,853.54

Finding the Fourth Proportional to 74,431,635.33, 111,628,890.71 and 21,898,853.54

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Solution

The fourth proportional to 74,431,635.33, 111,628,890.71 and 21,898,853.54 is: 32,842,819.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,431,635.33 : 111,628,890.71 = 21,898,853.54 : x
  2. Step 2: Convert to fraction form
    74,431,635.33/111,628,890.71 = 21,898,853.54/x
  3. Step 3: Cross multiply
    74,431,635.33x = 111,628,890.71 × 21,898,853.54
  4. Step 4: Simplify right side
    74,431,635.33x = 2,444,544,728,464,057.50
  5. Step 5: Solve for x
    x = 2,444,544,728,464,057.50/74,431,635.33
  6. Step 6: Final answer
    x = 32,842,819.02

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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.