Home / 85,451,128.59-117,921,905.66-46,292,625.23

Finding the Fourth Proportional to 85,451,128.59, 117,921,905.66 and 46,292,625.23

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Solution

The fourth proportional to 85,451,128.59, 117,921,905.66 and 46,292,625.23 is: 63,883,469.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,451,128.59 : 117,921,905.66 = 46,292,625.23 : x
  2. Step 2: Convert to fraction form
    85,451,128.59/117,921,905.66 = 46,292,625.23/x
  3. Step 3: Cross multiply
    85,451,128.59x = 117,921,905.66 × 46,292,625.23
  4. Step 4: Simplify right side
    85,451,128.59x = 5,458,914,585,125,795
  5. Step 5: Solve for x
    x = 5,458,914,585,125,795/85,451,128.59
  6. Step 6: Final answer
    x = 63,883,469.71

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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.