Home / 231,890,845.96-320,163,462.66-178,149,792.16

Finding the Fourth Proportional to 231,890,845.96, 320,163,462.66 and 178,149,792.16

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Solution

The fourth proportional to 231,890,845.96, 320,163,462.66 and 178,149,792.16 is: 245,965,096.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,890,845.96 : 320,163,462.66 = 178,149,792.16 : x
  2. Step 2: Convert to fraction form
    231,890,845.96/320,163,462.66 = 178,149,792.16/x
  3. Step 3: Cross multiply
    231,890,845.96x = 320,163,462.66 × 178,149,792.16
  4. Step 4: Simplify right side
    231,890,845.96x = 57,037,054,330,104,928
  5. Step 5: Solve for x
    x = 57,037,054,330,104,928/231,890,845.96
  6. Step 6: Final answer
    x = 245,965,096.61

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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.