Home / 200,286,966.88-276,530,979.32-125,047,961.28

Finding the Fourth Proportional to 200,286,966.88, 276,530,979.32 and 125,047,961.28

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Solution

The fourth proportional to 200,286,966.88, 276,530,979.32 and 125,047,961.28 is: 172,650,451.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,286,966.88 : 276,530,979.32 = 125,047,961.28 : x
  2. Step 2: Convert to fraction form
    200,286,966.88/276,530,979.32 = 125,047,961.28/x
  3. Step 3: Cross multiply
    200,286,966.88x = 276,530,979.32 × 125,047,961.28
  4. Step 4: Simplify right side
    200,286,966.88x = 34,579,635,194,727,840
  5. Step 5: Solve for x
    x = 34,579,635,194,727,840/200,286,966.88
  6. Step 6: Final answer
    x = 172,650,451.17

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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.