Home / 146,608,170.72-202,313,732.56-81,422,273.76

Finding the Fourth Proportional to 146,608,170.72, 202,313,732.56 and 81,422,273.76

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Solution

The fourth proportional to 146,608,170.72, 202,313,732.56 and 81,422,273.76 is: 112,359,659.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,608,170.72 : 202,313,732.56 = 81,422,273.76 : x
  2. Step 2: Convert to fraction form
    146,608,170.72/202,313,732.56 = 81,422,273.76/x
  3. Step 3: Cross multiply
    146,608,170.72x = 202,313,732.56 × 81,422,273.76
  4. Step 4: Simplify right side
    146,608,170.72x = 16,472,844,117,907,746
  5. Step 5: Solve for x
    x = 16,472,844,117,907,746/146,608,170.72
  6. Step 6: Final answer
    x = 112,359,659.34

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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.