Home / 146,608,160.74-202,313,718.75-81,422,263.78

Finding the Fourth Proportional to 146,608,160.74, 202,313,718.75 and 81,422,263.78

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Solution

The fourth proportional to 146,608,160.74, 202,313,718.75 and 81,422,263.78 is: 112,359,645.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,608,160.74 : 202,313,718.75 = 81,422,263.78 : x
  2. Step 2: Convert to fraction form
    146,608,160.74/202,313,718.75 = 81,422,263.78/x
  3. Step 3: Cross multiply
    146,608,160.74x = 202,313,718.75 × 81,422,263.78
  4. Step 4: Simplify right side
    146,608,160.74x = 16,472,840,974,375,232
  5. Step 5: Solve for x
    x = 16,472,840,974,375,232/146,608,160.74
  6. Step 6: Final answer
    x = 112,359,645.54

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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.