Home / 222,384,686.13-306,890,335.58-121,912,943.85

Finding the Fourth Proportional to 222,384,686.13, 306,890,335.58 and 121,912,943.85

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Solution

The fourth proportional to 222,384,686.13, 306,890,335.58 and 121,912,943.85 is: 168,239,571.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,384,686.13 : 306,890,335.58 = 121,912,943.85 : x
  2. Step 2: Convert to fraction form
    222,384,686.13/306,890,335.58 = 121,912,943.85/x
  3. Step 3: Cross multiply
    222,384,686.13x = 306,890,335.58 × 121,912,943.85
  4. Step 4: Simplify right side
    222,384,686.13x = 37,413,904,249,062,632
  5. Step 5: Solve for x
    x = 37,413,904,249,062,632/222,384,686.13
  6. Step 6: Final answer
    x = 168,239,571.26

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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.