Home / 303,200,653.94-418,418,163.10-163,971,415.69

Finding the Fourth Proportional to 303,200,653.94, 418,418,163.10 and 163,971,415.69

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Solution

The fourth proportional to 303,200,653.94, 418,418,163.10 and 163,971,415.69 is: 226,281,235.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,200,653.94 : 418,418,163.10 = 163,971,415.69 : x
  2. Step 2: Convert to fraction form
    303,200,653.94/418,418,163.10 = 163,971,415.69/x
  3. Step 3: Cross multiply
    303,200,653.94x = 418,418,163.10 × 163,971,415.69
  4. Step 4: Simplify right side
    303,200,653.94x = 68,608,618,553,916,320
  5. Step 5: Solve for x
    x = 68,608,618,553,916,320/303,200,653.94
  6. Step 6: Final answer
    x = 226,281,235.42

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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.