Home / 262,991,258.40-394,486,887.60-109,747,293.60

Finding the Fourth Proportional to 262,991,258.40, 394,486,887.60 and 109,747,293.60

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Solution

The fourth proportional to 262,991,258.40, 394,486,887.60 and 109,747,293.60 is: 164,620,940.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,991,258.40 : 394,486,887.60 = 109,747,293.60 : x
  2. Step 2: Convert to fraction form
    262,991,258.40/394,486,887.60 = 109,747,293.60/x
  3. Step 3: Cross multiply
    262,991,258.40x = 394,486,887.60 × 109,747,293.60
  4. Step 4: Simplify right side
    262,991,258.40x = 43,293,868,274,787,400
  5. Step 5: Solve for x
    x = 43,293,868,274,787,400/262,991,258.40
  6. Step 6: Final answer
    x = 164,620,940.40

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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.