Home / 110,128,268.20-165,192,402.30-92,212,364.20

Finding the Fourth Proportional to 110,128,268.20, 165,192,402.30 and 92,212,364.20

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Solution

The fourth proportional to 110,128,268.20, 165,192,402.30 and 92,212,364.20 is: 138,318,546.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,128,268.20 : 165,192,402.30 = 92,212,364.20 : x
  2. Step 2: Convert to fraction form
    110,128,268.20/165,192,402.30 = 92,212,364.20/x
  3. Step 3: Cross multiply
    110,128,268.20x = 165,192,402.30 × 92,212,364.20
  4. Step 4: Simplify right side
    110,128,268.20x = 15,232,781,963,960,520
  5. Step 5: Solve for x
    x = 15,232,781,963,960,520/110,128,268.20
  6. Step 6: Final answer
    x = 138,318,546.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.