Home / 91,238,118.09-125,909,207.53-49,422,183.40

Finding the Fourth Proportional to 91,238,118.09, 125,909,207.53 and 49,422,183.40

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Solution

The fourth proportional to 91,238,118.09, 125,909,207.53 and 49,422,183.40 is: 68,202,940.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,238,118.09 : 125,909,207.53 = 49,422,183.40 : x
  2. Step 2: Convert to fraction form
    91,238,118.09/125,909,207.53 = 49,422,183.40/x
  3. Step 3: Cross multiply
    91,238,118.09x = 125,909,207.53 × 49,422,183.40
  4. Step 4: Simplify right side
    91,238,118.09x = 6,222,707,945,621,913
  5. Step 5: Solve for x
    x = 6,222,707,945,621,913/91,238,118.09
  6. Step 6: Final answer
    x = 68,202,940.57

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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.