Home / 212,321,910,978.76-293,004,225,943.66-114,663,542,521.04

Finding the Fourth Proportional to 212,321,910,978.76, 293,004,225,943.66 and 114,663,542,521.04

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Solution

The fourth proportional to 212,321,910,978.76, 293,004,225,943.66 and 114,663,542,521.04 is: 158,235,682,626.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,321,910,978.76 : 293,004,225,943.66 = 114,663,542,521.04 : x
  2. Step 2: Convert to fraction form
    212,321,910,978.76/293,004,225,943.66 = 114,663,542,521.04/x
  3. Step 3: Cross multiply
    212,321,910,978.76x = 293,004,225,943.66 × 114,663,542,521.04
  4. Step 4: Simplify right side
    212,321,910,978.76x = 33,596,902,520,335,265,431,552
  5. Step 5: Solve for x
    x = 33,596,902,520,335,265,431,552/212,321,910,978.76
  6. Step 6: Final answer
    x = 158,235,682,626.73

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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.