Home / 238,291,190.55-328,081,667.36-203,343,630.39

Finding the Fourth Proportional to 238,291,190.55, 328,081,667.36 and 203,343,630.39

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Solution

The fourth proportional to 238,291,190.55, 328,081,667.36 and 203,343,630.39 is: 279,965,520.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,291,190.55 : 328,081,667.36 = 203,343,630.39 : x
  2. Step 2: Convert to fraction form
    238,291,190.55/328,081,667.36 = 203,343,630.39/x
  3. Step 3: Cross multiply
    238,291,190.55x = 328,081,667.36 × 203,343,630.39
  4. Step 4: Simplify right side
    238,291,190.55x = 66,713,317,304,370,048
  5. Step 5: Solve for x
    x = 66,713,317,304,370,048/238,291,190.55
  6. Step 6: Final answer
    x = 279,965,520.97

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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.