Home / 258,115,222,662.70-356,200,114,667.94-140,795,423,304.34

Finding the Fourth Proportional to 258,115,222,662.70, 356,200,114,667.94 and 140,795,423,304.34

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Solution

The fourth proportional to 258,115,222,662.70, 356,200,114,667.94 and 140,795,423,304.34 is: 194,298,288,215.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,115,222,662.70 : 356,200,114,667.94 = 140,795,423,304.34 : x
  2. Step 2: Convert to fraction form
    258,115,222,662.70/356,200,114,667.94 = 140,795,423,304.34/x
  3. Step 3: Cross multiply
    258,115,222,662.70x = 356,200,114,667.94 × 140,795,423,304.34
  4. Step 4: Simplify right side
    258,115,222,662.70x = 50,151,345,925,727,054,725,120
  5. Step 5: Solve for x
    x = 50,151,345,925,727,054,725,120/258,115,222,662.70
  6. Step 6: Final answer
    x = 194,298,288,215.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.