Home / 87,164,725.99-120,295,818.28-65,099,918.46

Finding the Fourth Proportional to 87,164,725.99, 120,295,818.28 and 65,099,918.46

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Solution

The fourth proportional to 87,164,725.99, 120,295,818.28 and 65,099,918.46 is: 89,844,233.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,164,725.99 : 120,295,818.28 = 65,099,918.46 : x
  2. Step 2: Convert to fraction form
    87,164,725.99/120,295,818.28 = 65,099,918.46/x
  3. Step 3: Cross multiply
    87,164,725.99x = 120,295,818.28 × 65,099,918.46
  4. Step 4: Simplify right side
    87,164,725.99x = 7,831,247,960,505,498
  5. Step 5: Solve for x
    x = 7,831,247,960,505,498/87,164,725.99
  6. Step 6: Final answer
    x = 89,844,233.11

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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.