Home / 165,554,274.72-228,471,947.28-92,215,449.12

Finding the Fourth Proportional to 165,554,274.72, 228,471,947.28 and 92,215,449.12

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Solution

The fourth proportional to 165,554,274.72, 228,471,947.28 and 92,215,449.12 is: 127,261,245.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,554,274.72 : 228,471,947.28 = 92,215,449.12 : x
  2. Step 2: Convert to fraction form
    165,554,274.72/228,471,947.28 = 92,215,449.12/x
  3. Step 3: Cross multiply
    165,554,274.72x = 228,471,947.28 × 92,215,449.12
  4. Step 4: Simplify right side
    165,554,274.72x = 21,068,643,229,746,164
  5. Step 5: Solve for x
    x = 21,068,643,229,746,164/165,554,274.72
  6. Step 6: Final answer
    x = 127,261,245.69

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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.