Home / 272,613,136.20-408,919,704.30-163,774,019.40

Finding the Fourth Proportional to 272,613,136.20, 408,919,704.30 and 163,774,019.40

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Solution

The fourth proportional to 272,613,136.20, 408,919,704.30 and 163,774,019.40 is: 245,661,029.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,613,136.20 : 408,919,704.30 = 163,774,019.40 : x
  2. Step 2: Convert to fraction form
    272,613,136.20/408,919,704.30 = 163,774,019.40/x
  3. Step 3: Cross multiply
    272,613,136.20x = 408,919,704.30 × 163,774,019.40
  4. Step 4: Simplify right side
    272,613,136.20x = 66,970,423,585,070,464
  5. Step 5: Solve for x
    x = 66,970,423,585,070,464/272,613,136.20
  6. Step 6: Final answer
    x = 245,661,029.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.