Home / 64,250,172-96,339,040.20-21,107,791.62

Finding the Fourth Proportional to 64,250,172, 96,339,040.20 and 21,107,791.62

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Solution

The fourth proportional to 64,250,172, 96,339,040.20 and 21,107,791.62 is: 31,649,788.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,250,172 : 96,339,040.20 = 21,107,791.62 : x
  2. Step 2: Convert to fraction form
    64,250,172/96,339,040.20 = 21,107,791.62/x
  3. Step 3: Cross multiply
    64,250,172x = 96,339,040.20 × 21,107,791.62
  4. Step 4: Simplify right side
    64,250,172x = 2,033,504,385,412,403.25
  5. Step 5: Solve for x
    x = 2,033,504,385,412,403.25/64,250,172
  6. Step 6: Final answer
    x = 31,649,788.98

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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.