Home / 203,185,082.27-280,418,674.38-113,901,141.13

Finding the Fourth Proportional to 203,185,082.27, 280,418,674.38 and 113,901,141.13

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Solution

The fourth proportional to 203,185,082.27, 280,418,674.38 and 113,901,141.13 is: 157,196,614.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,185,082.27 : 280,418,674.38 = 113,901,141.13 : x
  2. Step 2: Convert to fraction form
    203,185,082.27/280,418,674.38 = 113,901,141.13/x
  3. Step 3: Cross multiply
    203,185,082.27x = 280,418,674.38 × 113,901,141.13
  4. Step 4: Simplify right side
    203,185,082.27x = 31,940,007,006,043,892
  5. Step 5: Solve for x
    x = 31,940,007,006,043,892/203,185,082.27
  6. Step 6: Final answer
    x = 157,196,614.28

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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.