Home / 85,590,229.37-118,104,551.89-47,915,456.33

Finding the Fourth Proportional to 85,590,229.37, 118,104,551.89 and 47,915,456.33

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Solution

The fourth proportional to 85,590,229.37, 118,104,551.89 and 47,915,456.33 is: 66,117,751.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,590,229.37 : 118,104,551.89 = 47,915,456.33 : x
  2. Step 2: Convert to fraction form
    85,590,229.37/118,104,551.89 = 47,915,456.33/x
  3. Step 3: Cross multiply
    85,590,229.37x = 118,104,551.89 × 47,915,456.33
  4. Step 4: Simplify right side
    85,590,229.37x = 5,659,033,498,468,696
  5. Step 5: Solve for x
    x = 5,659,033,498,468,696/85,590,229.37
  6. Step 6: Final answer
    x = 66,117,751.29

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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.