Home / 193,536,408.30-290,304,612.45-145,760,664.30

Finding the Fourth Proportional to 193,536,408.30, 290,304,612.45 and 145,760,664.30

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Solution

The fourth proportional to 193,536,408.30, 290,304,612.45 and 145,760,664.30 is: 218,640,996.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,536,408.30 : 290,304,612.45 = 145,760,664.30 : x
  2. Step 2: Convert to fraction form
    193,536,408.30/290,304,612.45 = 145,760,664.30/x
  3. Step 3: Cross multiply
    193,536,408.30x = 290,304,612.45 × 145,760,664.30
  4. Step 4: Simplify right side
    193,536,408.30x = 42,314,993,160,066,056
  5. Step 5: Solve for x
    x = 42,314,993,160,066,056/193,536,408.30
  6. Step 6: Final answer
    x = 218,640,996.45

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Similar ratio
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1.5x scale

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.