Home / 51,628,800.70-71,245,040.34-28,419,394.42

Finding the Fourth Proportional to 51,628,800.70, 71,245,040.34 and 28,419,394.42

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Solution

The fourth proportional to 51,628,800.70, 71,245,040.34 and 28,419,394.42 is: 39,217,275.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,628,800.70 : 71,245,040.34 = 28,419,394.42 : x
  2. Step 2: Convert to fraction form
    51,628,800.70/71,245,040.34 = 28,419,394.42/x
  3. Step 3: Cross multiply
    51,628,800.70x = 71,245,040.34 × 28,419,394.42
  4. Step 4: Simplify right side
    51,628,800.70x = 2,024,740,901,891,271.25
  5. Step 5: Solve for x
    x = 2,024,740,901,891,271.25/51,628,800.70
  6. Step 6: Final answer
    x = 39,217,275.52

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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.