Home / 303,200,668.59-418,418,183.28-163,971,430.30

Finding the Fourth Proportional to 303,200,668.59, 418,418,183.28 and 163,971,430.30

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Solution

The fourth proportional to 303,200,668.59, 418,418,183.28 and 163,971,430.30 is: 226,281,255.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,200,668.59 : 418,418,183.28 = 163,971,430.30 : x
  2. Step 2: Convert to fraction form
    303,200,668.59/418,418,183.28 = 163,971,430.30/x
  3. Step 3: Cross multiply
    303,200,668.59x = 418,418,183.28 × 163,971,430.30
  4. Step 4: Simplify right side
    303,200,668.59x = 68,608,627,975,949,144
  5. Step 5: Solve for x
    x = 68,608,627,975,949,144/303,200,668.59
  6. Step 6: Final answer
    x = 226,281,255.56

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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.