Home / 120,267,840.54-165,969,619.97-65,263,697.04

Finding the Fourth Proportional to 120,267,840.54, 165,969,619.97 and 65,263,697.04

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Solution

The fourth proportional to 120,267,840.54, 165,969,619.97 and 65,263,697.04 is: 90,063,901.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,267,840.54 : 165,969,619.97 = 65,263,697.04 : x
  2. Step 2: Convert to fraction form
    120,267,840.54/165,969,619.97 = 65,263,697.04/x
  3. Step 3: Cross multiply
    120,267,840.54x = 165,969,619.97 × 65,263,697.04
  4. Step 4: Simplify right side
    120,267,840.54x = 10,831,790,995,566,014
  5. Step 5: Solve for x
    x = 10,831,790,995,566,014/120,267,840.54
  6. Step 6: Final answer
    x = 90,063,901.93

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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.