Home / 274,141,241.78-378,311,386.41-156,665,224.58

Finding the Fourth Proportional to 274,141,241.78, 378,311,386.41 and 156,665,224.58

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Solution

The fourth proportional to 274,141,241.78, 378,311,386.41 and 156,665,224.58 is: 216,195,994.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,141,241.78 : 378,311,386.41 = 156,665,224.58 : x
  2. Step 2: Convert to fraction form
    274,141,241.78/378,311,386.41 = 156,665,224.58/x
  3. Step 3: Cross multiply
    274,141,241.78x = 378,311,386.41 × 156,665,224.58
  4. Step 4: Simplify right side
    274,141,241.78x = 59,268,238,313,093,816
  5. Step 5: Solve for x
    x = 59,268,238,313,093,816/274,141,241.78
  6. Step 6: Final answer
    x = 216,195,994.18

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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.