Home / 51,805,219.28-71,491,293.48-28,600,383.92

Finding the Fourth Proportional to 51,805,219.28, 71,491,293.48 and 28,600,383.92

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Solution

The fourth proportional to 51,805,219.28, 71,491,293.48 and 28,600,383.92 is: 39,468,579.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,805,219.28 : 71,491,293.48 = 28,600,383.92 : x
  2. Step 2: Convert to fraction form
    51,805,219.28/71,491,293.48 = 28,600,383.92/x
  3. Step 3: Cross multiply
    51,805,219.28x = 71,491,293.48 × 28,600,383.92
  4. Step 4: Simplify right side
    51,805,219.28x = 2,044,678,440,465,393
  5. Step 5: Solve for x
    x = 2,044,678,440,465,393/51,805,219.28
  6. Step 6: Final answer
    x = 39,468,579.98

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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.