Home / 85,254,409.43-117,650,399.74-49,494,168.38

Finding the Fourth Proportional to 85,254,409.43, 117,650,399.74 and 49,494,168.38

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Solution

The fourth proportional to 85,254,409.43, 117,650,399.74 and 49,494,168.38 is: 68,301,554.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,254,409.43 : 117,650,399.74 = 49,494,168.38 : x
  2. Step 2: Convert to fraction form
    85,254,409.43/117,650,399.74 = 49,494,168.38/x
  3. Step 3: Cross multiply
    85,254,409.43x = 117,650,399.74 × 49,494,168.38
  4. Step 4: Simplify right side
    85,254,409.43x = 5,823,008,694,918,516
  5. Step 5: Solve for x
    x = 5,823,008,694,918,516/85,254,409.43
  6. Step 6: Final answer
    x = 68,301,554.53

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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.