Home / 263,088,004.80-394,632,007.20-126,787,166.40

Finding the Fourth Proportional to 263,088,004.80, 394,632,007.20 and 126,787,166.40

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Solution

The fourth proportional to 263,088,004.80, 394,632,007.20 and 126,787,166.40 is: 190,180,749.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,088,004.80 : 394,632,007.20 = 126,787,166.40 : x
  2. Step 2: Convert to fraction form
    263,088,004.80/394,632,007.20 = 126,787,166.40/x
  3. Step 3: Cross multiply
    263,088,004.80x = 394,632,007.20 × 126,787,166.40
  4. Step 4: Simplify right side
    263,088,004.80x = 50,034,273,963,632,400
  5. Step 5: Solve for x
    x = 50,034,273,963,632,400/263,088,004.80
  6. Step 6: Final answer
    x = 190,180,749.60

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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.