Home / 263,261,969.20-394,892,953.80-134,121,806.20

Finding the Fourth Proportional to 263,261,969.20, 394,892,953.80 and 134,121,806.20

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Solution

The fourth proportional to 263,261,969.20, 394,892,953.80 and 134,121,806.20 is: 201,182,709.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,261,969.20 : 394,892,953.80 = 134,121,806.20 : x
  2. Step 2: Convert to fraction form
    263,261,969.20/394,892,953.80 = 134,121,806.20/x
  3. Step 3: Cross multiply
    263,261,969.20x = 394,892,953.80 × 134,121,806.20
  4. Step 4: Simplify right side
    263,261,969.20x = 52,963,756,219,309,160
  5. Step 5: Solve for x
    x = 52,963,756,219,309,160/263,261,969.20
  6. Step 6: Final answer
    x = 201,182,709.30

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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.