Home / 161,314,440.66-222,575,664.24-91,694,340.72

Finding the Fourth Proportional to 161,314,440.66, 222,575,664.24 and 91,694,340.72

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Solution

The fourth proportional to 161,314,440.66, 222,575,664.24 and 91,694,340.72 is: 126,516,440.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,314,440.66 : 222,575,664.24 = 91,694,340.72 : x
  2. Step 2: Convert to fraction form
    161,314,440.66/222,575,664.24 = 91,694,340.72/x
  3. Step 3: Cross multiply
    161,314,440.66x = 222,575,664.24 × 91,694,340.72
  4. Step 4: Simplify right side
    161,314,440.66x = 20,408,928,792,802,880
  5. Step 5: Solve for x
    x = 20,408,928,792,802,880/161,314,440.66
  6. Step 6: Final answer
    x = 126,516,440.25

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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.