Home / 262,991,809.40-394,487,714.10-109,747,844.60

Finding the Fourth Proportional to 262,991,809.40, 394,487,714.10 and 109,747,844.60

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Solution

The fourth proportional to 262,991,809.40, 394,487,714.10 and 109,747,844.60 is: 164,621,766.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,991,809.40 : 394,487,714.10 = 109,747,844.60 : x
  2. Step 2: Convert to fraction form
    262,991,809.40/394,487,714.10 = 109,747,844.60/x
  3. Step 3: Cross multiply
    262,991,809.40x = 394,487,714.10 × 109,747,844.60
  4. Step 4: Simplify right side
    262,991,809.40x = 43,294,176,343,656,032
  5. Step 5: Solve for x
    x = 43,294,176,343,656,032/262,991,809.40
  6. Step 6: Final answer
    x = 164,621,766.90

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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.