Home / 51,008,083.92-76,466,824.80-19,876,533.12

Finding the Fourth Proportional to 51,008,083.92, 76,466,824.80 and 19,876,533.12

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Solution

The fourth proportional to 51,008,083.92, 76,466,824.80 and 19,876,533.12 is: 29,797,147.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,008,083.92 : 76,466,824.80 = 19,876,533.12 : x
  2. Step 2: Convert to fraction form
    51,008,083.92/76,466,824.80 = 19,876,533.12/x
  3. Step 3: Cross multiply
    51,008,083.92x = 76,466,824.80 × 19,876,533.12
  4. Step 4: Simplify right side
    51,008,083.92x = 1,519,895,375,718,437.50
  5. Step 5: Solve for x
    x = 1,519,895,375,718,437.50/51,008,083.92
  6. Step 6: Final answer
    x = 29,797,147.02

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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.