Home / 135,467,231.17-186,949,917.76-75,929,627.69

Finding the Fourth Proportional to 135,467,231.17, 186,949,917.76 and 75,929,627.69

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Solution

The fourth proportional to 135,467,231.17, 186,949,917.76 and 75,929,627.69 is: 104,785,766.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,467,231.17 : 186,949,917.76 = 75,929,627.69 : x
  2. Step 2: Convert to fraction form
    135,467,231.17/186,949,917.76 = 75,929,627.69/x
  3. Step 3: Cross multiply
    135,467,231.17x = 186,949,917.76 × 75,929,627.69
  4. Step 4: Simplify right side
    135,467,231.17x = 14,195,037,652,649,944
  5. Step 5: Solve for x
    x = 14,195,037,652,649,944/135,467,231.17
  6. Step 6: Final answer
    x = 104,785,766.49

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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.