Home / 120,267,826.45-165,969,600.51-65,263,682.95

Finding the Fourth Proportional to 120,267,826.45, 165,969,600.51 and 65,263,682.95

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Solution

The fourth proportional to 120,267,826.45, 165,969,600.51 and 65,263,682.95 is: 90,063,882.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,267,826.45 : 165,969,600.51 = 65,263,682.95 : x
  2. Step 2: Convert to fraction form
    120,267,826.45/165,969,600.51 = 65,263,682.95/x
  3. Step 3: Cross multiply
    120,267,826.45x = 165,969,600.51 × 65,263,682.95
  4. Step 4: Simplify right side
    120,267,826.45x = 10,831,787,387,022,798
  5. Step 5: Solve for x
    x = 10,831,787,387,022,798/120,267,826.45
  6. Step 6: Final answer
    x = 90,063,882.48

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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.