Home / 212,321,911,003.71-293,004,225,978.14-114,663,542,546.05

Finding the Fourth Proportional to 212,321,911,003.71, 293,004,225,978.14 and 114,663,542,546.05

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Solution

The fourth proportional to 212,321,911,003.71, 293,004,225,978.14 and 114,663,542,546.05 is: 158,235,682,661.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,321,911,003.71 : 293,004,225,978.14 = 114,663,542,546.05 : x
  2. Step 2: Convert to fraction form
    212,321,911,003.71/293,004,225,978.14 = 114,663,542,546.05/x
  3. Step 3: Cross multiply
    212,321,911,003.71x = 293,004,225,978.14 × 114,663,542,546.05
  4. Step 4: Simplify right side
    212,321,911,003.71x = 33,596,902,531,616,907,198,464
  5. Step 5: Solve for x
    x = 33,596,902,531,616,907,198,464/212,321,911,003.71
  6. Step 6: Final answer
    x = 158,235,682,661.27

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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.