Home / 110,128,312.20-165,192,468.30-92,212,408.20

Finding the Fourth Proportional to 110,128,312.20, 165,192,468.30 and 92,212,408.20

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Solution

The fourth proportional to 110,128,312.20, 165,192,468.30 and 92,212,408.20 is: 138,318,612.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,128,312.20 : 165,192,468.30 = 92,212,408.20 : x
  2. Step 2: Convert to fraction form
    110,128,312.20/165,192,468.30 = 92,212,408.20/x
  3. Step 3: Cross multiply
    110,128,312.20x = 165,192,468.30 × 92,212,408.20
  4. Step 4: Simplify right side
    110,128,312.20x = 15,232,795,318,445,162
  5. Step 5: Solve for x
    x = 15,232,795,318,445,162/110,128,312.20
  6. Step 6: Final answer
    x = 138,318,612.30

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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.