Home / 220,202,890.20-330,293,837.67-74,622,173.40

Finding the Fourth Proportional to 220,202,890.20, 330,293,837.67 and 74,622,173.40

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Solution

The fourth proportional to 220,202,890.20, 330,293,837.67 and 74,622,173.40 is: 111,929,702.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,202,890.20 : 330,293,837.67 = 74,622,173.40 : x
  2. Step 2: Convert to fraction form
    220,202,890.20/330,293,837.67 = 74,622,173.40/x
  3. Step 3: Cross multiply
    220,202,890.20x = 330,293,837.67 × 74,622,173.40
  4. Step 4: Simplify right side
    220,202,890.20x = 24,647,244,027,562,196
  5. Step 5: Solve for x
    x = 24,647,244,027,562,196/220,202,890.20
  6. Step 6: Final answer
    x = 111,929,702.67

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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.