Home / 203,185,082.83-280,418,675.16-113,901,141.69

Finding the Fourth Proportional to 203,185,082.83, 280,418,675.16 and 113,901,141.69

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Solution

The fourth proportional to 203,185,082.83, 280,418,675.16 and 113,901,141.69 is: 157,196,615.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,185,082.83 : 280,418,675.16 = 113,901,141.69 : x
  2. Step 2: Convert to fraction form
    203,185,082.83/280,418,675.16 = 113,901,141.69/x
  3. Step 3: Cross multiply
    203,185,082.83x = 280,418,675.16 × 113,901,141.69
  4. Step 4: Simplify right side
    203,185,082.83x = 31,940,007,251,921,244
  5. Step 5: Solve for x
    x = 31,940,007,251,921,244/203,185,082.83
  6. Step 6: Final answer
    x = 157,196,615.06

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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.