Home / 309,613,321.74-427,170,195.04-175,629,156.03

Finding the Fourth Proportional to 309,613,321.74, 427,170,195.04 and 175,629,156.03

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Solution

The fourth proportional to 309,613,321.74, 427,170,195.04 and 175,629,156.03 is: 242,313,671.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,613,321.74 : 427,170,195.04 = 175,629,156.03 : x
  2. Step 2: Convert to fraction form
    309,613,321.74/427,170,195.04 = 175,629,156.03/x
  3. Step 3: Cross multiply
    309,613,321.74x = 427,170,195.04 × 175,629,156.03
  4. Step 4: Simplify right side
    309,613,321.74x = 75,023,540,836,045,696
  5. Step 5: Solve for x
    x = 75,023,540,836,045,696/309,613,321.74
  6. Step 6: Final answer
    x = 242,313,671.82

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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.