Home / 303,200,422.77-418,417,844.30-163,971,184.56

Finding the Fourth Proportional to 303,200,422.77, 418,417,844.30 and 163,971,184.56

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Solution

The fourth proportional to 303,200,422.77, 418,417,844.30 and 163,971,184.56 is: 226,280,916.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,200,422.77 : 418,417,844.30 = 163,971,184.56 : x
  2. Step 2: Convert to fraction form
    303,200,422.77/418,417,844.30 = 163,971,184.56/x
  3. Step 3: Cross multiply
    303,200,422.77x = 418,417,844.30 × 163,971,184.56
  4. Step 4: Simplify right side
    303,200,422.77x = 68,608,469,570,912,648
  5. Step 5: Solve for x
    x = 68,608,469,570,912,648/303,200,422.77
  6. Step 6: Final answer
    x = 226,280,916.58

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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.