Home / 218,313,431.70-327,470,147.55-109,155,450.30

Finding the Fourth Proportional to 218,313,431.70, 327,470,147.55 and 109,155,450.30

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Solution

The fourth proportional to 218,313,431.70, 327,470,147.55 and 109,155,450.30 is: 163,733,175.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,313,431.70 : 327,470,147.55 = 109,155,450.30 : x
  2. Step 2: Convert to fraction form
    218,313,431.70/327,470,147.55 = 109,155,450.30/x
  3. Step 3: Cross multiply
    218,313,431.70x = 327,470,147.55 × 109,155,450.30
  4. Step 4: Simplify right side
    218,313,431.70x = 35,745,151,415,627,692
  5. Step 5: Solve for x
    x = 35,745,151,415,627,692/218,313,431.70
  6. Step 6: Final answer
    x = 163,733,175.45

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1.5x scale

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.