Home / 259,222,078.60-388,833,511.54-105,868,135.04

Finding the Fourth Proportional to 259,222,078.60, 388,833,511.54 and 105,868,135.04

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Solution

The fourth proportional to 259,222,078.60, 388,833,511.54 and 105,868,135.04 is: 158,802,363.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,222,078.60 : 388,833,511.54 = 105,868,135.04 : x
  2. Step 2: Convert to fraction form
    259,222,078.60/388,833,511.54 = 105,868,135.04/x
  3. Step 3: Cross multiply
    259,222,078.60x = 388,833,511.54 × 105,868,135.04
  4. Step 4: Simplify right side
    259,222,078.60x = 41,165,078,707,794,120
  5. Step 5: Solve for x
    x = 41,165,078,707,794,120/259,222,078.60
  6. Step 6: Final answer
    x = 158,802,363.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.