Home / 66,308,684.94-91,512,174.44-38,806,635.06

Finding the Fourth Proportional to 66,308,684.94, 91,512,174.44 and 38,806,635.06

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Solution

The fourth proportional to 66,308,684.94, 91,512,174.44 and 38,806,635.06 is: 53,556,778.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,308,684.94 : 91,512,174.44 = 38,806,635.06 : x
  2. Step 2: Convert to fraction form
    66,308,684.94/91,512,174.44 = 38,806,635.06/x
  3. Step 3: Cross multiply
    66,308,684.94x = 91,512,174.44 × 38,806,635.06
  4. Step 4: Simplify right side
    66,308,684.94x = 3,551,279,557,040,140
  5. Step 5: Solve for x
    x = 3,551,279,557,040,140/66,308,684.94
  6. Step 6: Final answer
    x = 53,556,778.58

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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.