Home / 285,269,077.44-393,672,898.56-154,888,885.44

Finding the Fourth Proportional to 285,269,077.44, 393,672,898.56 and 154,888,885.44

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Solution

The fourth proportional to 285,269,077.44, 393,672,898.56 and 154,888,885.44 is: 213,747,515.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,269,077.44 : 393,672,898.56 = 154,888,885.44 : x
  2. Step 2: Convert to fraction form
    285,269,077.44/393,672,898.56 = 154,888,885.44/x
  3. Step 3: Cross multiply
    285,269,077.44x = 393,672,898.56 × 154,888,885.44
  4. Step 4: Simplify right side
    285,269,077.44x = 60,975,556,485,892,584
  5. Step 5: Solve for x
    x = 60,975,556,485,892,584/285,269,077.44
  6. Step 6: Final answer
    x = 213,747,515.27

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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.