Home / 200,204,901.42-300,197,876.44-158,970,653.90

Finding the Fourth Proportional to 200,204,901.42, 300,197,876.44 and 158,970,653.90

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Solution

The fourth proportional to 200,204,901.42, 300,197,876.44 and 158,970,653.90 is: 238,369,052.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,204,901.42 : 300,197,876.44 = 158,970,653.90 : x
  2. Step 2: Convert to fraction form
    200,204,901.42/300,197,876.44 = 158,970,653.90/x
  3. Step 3: Cross multiply
    200,204,901.42x = 300,197,876.44 × 158,970,653.90
  4. Step 4: Simplify right side
    200,204,901.42x = 47,722,652,717,058,208
  5. Step 5: Solve for x
    x = 47,722,652,717,058,208/200,204,901.42
  6. Step 6: Final answer
    x = 238,369,052.80

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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.