Home / 263,056,070.80-394,584,106.20-109,651,142.80

Finding the Fourth Proportional to 263,056,070.80, 394,584,106.20 and 109,651,142.80

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Solution

The fourth proportional to 263,056,070.80, 394,584,106.20 and 109,651,142.80 is: 164,476,714.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,056,070.80 : 394,584,106.20 = 109,651,142.80 : x
  2. Step 2: Convert to fraction form
    263,056,070.80/394,584,106.20 = 109,651,142.80/x
  3. Step 3: Cross multiply
    263,056,070.80x = 394,584,106.20 × 109,651,142.80
  4. Step 4: Simplify right side
    263,056,070.80x = 43,266,598,175,546,560
  5. Step 5: Solve for x
    x = 43,266,598,175,546,560/263,056,070.80
  6. Step 6: Final answer
    x = 164,476,714.20

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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.