Home / 274,141,231.28-378,311,371.92-156,665,214.08

Finding the Fourth Proportional to 274,141,231.28, 378,311,371.92 and 156,665,214.08

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Solution

The fourth proportional to 274,141,231.28, 378,311,371.92 and 156,665,214.08 is: 216,195,979.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,141,231.28 : 378,311,371.92 = 156,665,214.08 : x
  2. Step 2: Convert to fraction form
    274,141,231.28/378,311,371.92 = 156,665,214.08/x
  3. Step 3: Cross multiply
    274,141,231.28x = 378,311,371.92 × 156,665,214.08
  4. Step 4: Simplify right side
    274,141,231.28x = 59,268,232,070,745,312
  5. Step 5: Solve for x
    x = 59,268,232,070,745,312/274,141,231.28
  6. Step 6: Final answer
    x = 216,195,979.69

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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.