Home / 274,141,151.22-378,311,261.49-156,665,134.02

Finding the Fourth Proportional to 274,141,151.22, 378,311,261.49 and 156,665,134.02

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Solution

The fourth proportional to 274,141,151.22, 378,311,261.49 and 156,665,134.02 is: 216,195,869.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,141,151.22 : 378,311,261.49 = 156,665,134.02 : x
  2. Step 2: Convert to fraction form
    274,141,151.22/378,311,261.49 = 156,665,134.02/x
  3. Step 3: Cross multiply
    274,141,151.22x = 378,311,261.49 × 156,665,134.02
  4. Step 4: Simplify right side
    274,141,151.22x = 59,268,184,482,606,120
  5. Step 5: Solve for x
    x = 59,268,184,482,606,120/274,141,151.22
  6. Step 6: Final answer
    x = 216,195,869.24

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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.