Home / 87,164,724.99-120,295,816.90-65,099,917.45

Finding the Fourth Proportional to 87,164,724.99, 120,295,816.90 and 65,099,917.45

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Solution

The fourth proportional to 87,164,724.99, 120,295,816.90 and 65,099,917.45 is: 89,844,231.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,164,724.99 : 120,295,816.90 = 65,099,917.45 : x
  2. Step 2: Convert to fraction form
    87,164,724.99/120,295,816.90 = 65,099,917.45/x
  3. Step 3: Cross multiply
    87,164,724.99x = 120,295,816.90 × 65,099,917.45
  4. Step 4: Simplify right side
    87,164,724.99x = 7,831,247,750,263,576
  5. Step 5: Solve for x
    x = 7,831,247,750,263,576/87,164,724.99
  6. Step 6: Final answer
    x = 89,844,231.72

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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.