Home / 263,090,020.32-394,455,664.06-133,447,644.36

Finding the Fourth Proportional to 263,090,020.32, 394,455,664.06 and 133,447,644.36

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Solution

The fourth proportional to 263,090,020.32, 394,455,664.06 and 133,447,644.36 is: 200,080,486.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,090,020.32 : 394,455,664.06 = 133,447,644.36 : x
  2. Step 2: Convert to fraction form
    263,090,020.32/394,455,664.06 = 133,447,644.36/x
  3. Step 3: Cross multiply
    263,090,020.32x = 394,455,664.06 × 133,447,644.36
  4. Step 4: Simplify right side
    263,090,020.32x = 52,639,179,173,266,512
  5. Step 5: Solve for x
    x = 52,639,179,173,266,512/263,090,020.32
  6. Step 6: Final answer
    x = 200,080,486.17

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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.