Home / 85,396,084.60-117,758,513.64-73,047,057.16

Finding the Fourth Proportional to 85,396,084.60, 117,758,513.64 and 73,047,057.16

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Solution

The fourth proportional to 85,396,084.60, 117,758,513.64 and 73,047,057.16 is: 100,729,593.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,396,084.60 : 117,758,513.64 = 73,047,057.16 : x
  2. Step 2: Convert to fraction form
    85,396,084.60/117,758,513.64 = 73,047,057.16/x
  3. Step 3: Cross multiply
    85,396,084.60x = 117,758,513.64 × 73,047,057.16
  4. Step 4: Simplify right side
    85,396,084.60x = 8,601,912,876,937,719
  5. Step 5: Solve for x
    x = 8,601,912,876,937,719/85,396,084.60
  6. Step 6: Final answer
    x = 100,729,593.37

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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.