Home / 69,979,674.56-96,571,992.40-39,039,843.76

Finding the Fourth Proportional to 69,979,674.56, 96,571,992.40 and 39,039,843.76

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Solution

The fourth proportional to 69,979,674.56, 96,571,992.40 and 39,039,843.76 is: 53,875,007.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,979,674.56 : 96,571,992.40 = 39,039,843.76 : x
  2. Step 2: Convert to fraction form
    69,979,674.56/96,571,992.40 = 39,039,843.76/x
  3. Step 3: Cross multiply
    69,979,674.56x = 96,571,992.40 × 39,039,843.76
  4. Step 4: Simplify right side
    69,979,674.56x = 3,770,155,494,887,907.50
  5. Step 5: Solve for x
    x = 3,770,155,494,887,907.50/69,979,674.56
  6. Step 6: Final answer
    x = 53,875,007.54

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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.