Home / 109,332,509,059.72-163,733,927,512.38-75,661,781,435.56

Finding the Fourth Proportional to 109,332,509,059.72, 163,733,927,512.38 and 75,661,781,435.56

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Solution

The fourth proportional to 109,332,509,059.72, 163,733,927,512.38 and 75,661,781,435.56 is: 113,309,396,661.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,332,509,059.72 : 163,733,927,512.38 = 75,661,781,435.56 : x
  2. Step 2: Convert to fraction form
    109,332,509,059.72/163,733,927,512.38 = 75,661,781,435.56/x
  3. Step 3: Cross multiply
    109,332,509,059.72x = 163,733,927,512.38 × 75,661,781,435.56
  4. Step 4: Simplify right side
    109,332,509,059.72x = 12,388,400,637,027,519,823,872
  5. Step 5: Solve for x
    x = 12,388,400,637,027,519,823,872/109,332,509,059.72
  6. Step 6: Final answer
    x = 113,309,396,661.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.