Home / 263,042,404.80-394,563,607.20-71,566,180.80

Finding the Fourth Proportional to 263,042,404.80, 394,563,607.20 and 71,566,180.80

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Solution

The fourth proportional to 263,042,404.80, 394,563,607.20 and 71,566,180.80 is: 107,349,271.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,042,404.80 : 394,563,607.20 = 71,566,180.80 : x
  2. Step 2: Convert to fraction form
    263,042,404.80/394,563,607.20 = 71,566,180.80/x
  3. Step 3: Cross multiply
    263,042,404.80x = 394,563,607.20 × 71,566,180.80
  4. Step 4: Simplify right side
    263,042,404.80x = 28,237,410,449,975,380
  5. Step 5: Solve for x
    x = 28,237,410,449,975,380/263,042,404.80
  6. Step 6: Final answer
    x = 107,349,271.20

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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.