Home / 45,514,935.76-68,272,472.88-18,588,591.76

Finding the Fourth Proportional to 45,514,935.76, 68,272,472.88 and 18,588,591.76

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Solution

The fourth proportional to 45,514,935.76, 68,272,472.88 and 18,588,591.76 is: 27,882,915.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,514,935.76 : 68,272,472.88 = 18,588,591.76 : x
  2. Step 2: Convert to fraction form
    45,514,935.76/68,272,472.88 = 18,588,591.76/x
  3. Step 3: Cross multiply
    45,514,935.76x = 68,272,472.88 × 18,588,591.76
  4. Step 4: Simplify right side
    45,514,935.76x = 1,269,089,126,811,991.50
  5. Step 5: Solve for x
    x = 1,269,089,126,811,991.50/45,514,935.76
  6. Step 6: Final answer
    x = 27,882,915.92

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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.