Home / 192,492,394,240.09-265,667,128,077.62-115,333,281,140.89

Finding the Fourth Proportional to 192,492,394,240.09, 265,667,128,077.62 and 115,333,281,140.89

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Solution

The fourth proportional to 192,492,394,240.09, 265,667,128,077.62 and 115,333,281,140.89 is: 159,176,479,119.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,492,394,240.09 : 265,667,128,077.62 = 115,333,281,140.89 : x
  2. Step 2: Convert to fraction form
    192,492,394,240.09/265,667,128,077.62 = 115,333,281,140.89/x
  3. Step 3: Cross multiply
    192,492,394,240.09x = 265,667,128,077.62 × 115,333,281,140.89
  4. Step 4: Simplify right side
    192,492,394,240.09x = 30,640,261,572,468,978,745,344
  5. Step 5: Solve for x
    x = 30,640,261,572,468,978,745,344/192,492,394,240.09
  6. Step 6: Final answer
    x = 159,176,479,119.75

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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.