Home / 87,164,725.49-120,295,817.59-65,099,917.96

Finding the Fourth Proportional to 87,164,725.49, 120,295,817.59 and 65,099,917.96

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Solution

The fourth proportional to 87,164,725.49, 120,295,817.59 and 65,099,917.96 is: 89,844,232.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,164,725.49 : 120,295,817.59 = 65,099,917.96 : x
  2. Step 2: Convert to fraction form
    87,164,725.49/120,295,817.59 = 65,099,917.96/x
  3. Step 3: Cross multiply
    87,164,725.49x = 120,295,817.59 × 65,099,917.96
  4. Step 4: Simplify right side
    87,164,725.49x = 7,831,247,855,438,646
  5. Step 5: Solve for x
    x = 7,831,247,855,438,646/87,164,725.49
  6. Step 6: Final answer
    x = 89,844,232.42

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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.