Home / 209,969,295.80-314,911,953.30-100,794,255.80

Finding the Fourth Proportional to 209,969,295.80, 314,911,953.30 and 100,794,255.80

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Solution

The fourth proportional to 209,969,295.80, 314,911,953.30 and 100,794,255.80 is: 151,171,226.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,969,295.80 : 314,911,953.30 = 100,794,255.80 : x
  2. Step 2: Convert to fraction form
    209,969,295.80/314,911,953.30 = 100,794,255.80/x
  3. Step 3: Cross multiply
    209,969,295.80x = 314,911,953.30 × 100,794,255.80
  4. Step 4: Simplify right side
    209,969,295.80x = 31,741,315,975,397,856
  5. Step 5: Solve for x
    x = 31,741,315,975,397,856/209,969,295.80
  6. Step 6: Final answer
    x = 151,171,226.51

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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.