Home / 303,214,711.78-418,436,581.74-163,985,473.69

Finding the Fourth Proportional to 303,214,711.78, 418,436,581.74 and 163,985,473.69

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Solution

The fourth proportional to 303,214,711.78, 418,436,581.74 and 163,985,473.69 is: 226,300,104.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,214,711.78 : 418,436,581.74 = 163,985,473.69 : x
  2. Step 2: Convert to fraction form
    303,214,711.78/418,436,581.74 = 163,985,473.69/x
  3. Step 3: Cross multiply
    303,214,711.78x = 418,436,581.74 × 163,985,473.69
  4. Step 4: Simplify right side
    303,214,711.78x = 68,617,521,065,858,304
  5. Step 5: Solve for x
    x = 68,617,521,065,858,304/303,214,711.78
  6. Step 6: Final answer
    x = 226,300,104.84

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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.