Home / 85,040,448.33-117,293,157.70-64,133,361.04

Finding the Fourth Proportional to 85,040,448.33, 117,293,157.70 and 64,133,361.04

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Solution

The fourth proportional to 85,040,448.33, 117,293,157.70 and 64,133,361.04 is: 88,456,782.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,040,448.33 : 117,293,157.70 = 64,133,361.04 : x
  2. Step 2: Convert to fraction form
    85,040,448.33/117,293,157.70 = 64,133,361.04/x
  3. Step 3: Cross multiply
    85,040,448.33x = 117,293,157.70 × 64,133,361.04
  4. Step 4: Simplify right side
    85,040,448.33x = 7,522,404,430,242,330
  5. Step 5: Solve for x
    x = 7,522,404,430,242,330/85,040,448.33
  6. Step 6: Final answer
    x = 88,456,782.37

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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.