Home / 223,336,198.40-335,014,795.20-69,987,257.60

Finding the Fourth Proportional to 223,336,198.40, 335,014,795.20 and 69,987,257.60

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Solution

The fourth proportional to 223,336,198.40, 335,014,795.20 and 69,987,257.60 is: 104,984,176.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,336,198.40 : 335,014,795.20 = 69,987,257.60 : x
  2. Step 2: Convert to fraction form
    223,336,198.40/335,014,795.20 = 69,987,257.60/x
  3. Step 3: Cross multiply
    223,336,198.40x = 335,014,795.20 × 69,987,257.60
  4. Step 4: Simplify right side
    223,336,198.40x = 23,446,766,771,473,640
  5. Step 5: Solve for x
    x = 23,446,766,771,473,640/223,336,198.40
  6. Step 6: Final answer
    x = 104,984,176.05

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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.