Home / 87,164,734.57-120,295,830.11-65,099,927.03

Finding the Fourth Proportional to 87,164,734.57, 120,295,830.11 and 65,099,927.03

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Solution

The fourth proportional to 87,164,734.57, 120,295,830.11 and 65,099,927.03 is: 89,844,244.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,164,734.57 : 120,295,830.11 = 65,099,927.03 : x
  2. Step 2: Convert to fraction form
    87,164,734.57/120,295,830.11 = 65,099,927.03/x
  3. Step 3: Cross multiply
    87,164,734.57x = 120,295,830.11 × 65,099,927.03
  4. Step 4: Simplify right side
    87,164,734.57x = 7,831,249,761,247,298
  5. Step 5: Solve for x
    x = 7,831,249,761,247,298/87,164,734.57
  6. Step 6: Final answer
    x = 89,844,244.92

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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.