Home / 188,064,876.98-259,515,292.42-105,542,718.50

Finding the Fourth Proportional to 188,064,876.98, 259,515,292.42 and 105,542,718.50

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Solution

The fourth proportional to 188,064,876.98, 259,515,292.42 and 105,542,718.50 is: 145,640,961.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,064,876.98 : 259,515,292.42 = 105,542,718.50 : x
  2. Step 2: Convert to fraction form
    188,064,876.98/259,515,292.42 = 105,542,718.50/x
  3. Step 3: Cross multiply
    188,064,876.98x = 259,515,292.42 × 105,542,718.50
  4. Step 4: Simplify right side
    188,064,876.98x = 27,389,949,454,329,244
  5. Step 5: Solve for x
    x = 27,389,949,454,329,244/188,064,876.98
  6. Step 6: Final answer
    x = 145,640,961.22

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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.