Home / 303,200,471.62-418,417,911.92-163,971,233.38

Finding the Fourth Proportional to 303,200,471.62, 418,417,911.92 and 163,971,233.38

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Solution

The fourth proportional to 303,200,471.62, 418,417,911.92 and 163,971,233.38 is: 226,280,984.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,200,471.62 : 418,417,911.92 = 163,971,233.38 : x
  2. Step 2: Convert to fraction form
    303,200,471.62/418,417,911.92 = 163,971,233.38/x
  3. Step 3: Cross multiply
    303,200,471.62x = 418,417,911.92 × 163,971,233.38
  4. Step 4: Simplify right side
    303,200,471.62x = 68,608,501,085,818,032
  5. Step 5: Solve for x
    x = 68,608,501,085,818,032/303,200,471.62
  6. Step 6: Final answer
    x = 226,280,984.06

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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.