Home / 209,953,766.20-314,930,649.30-73,589,942.20

Finding the Fourth Proportional to 209,953,766.20, 314,930,649.30 and 73,589,942.20

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Solution

The fourth proportional to 209,953,766.20, 314,930,649.30 and 73,589,942.20 is: 110,384,913.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,766.20 : 314,930,649.30 = 73,589,942.20 : x
  2. Step 2: Convert to fraction form
    209,953,766.20/314,930,649.30 = 73,589,942.20/x
  3. Step 3: Cross multiply
    209,953,766.20x = 314,930,649.30 × 73,589,942.20
  4. Step 4: Simplify right side
    209,953,766.20x = 23,175,728,278,995,472
  5. Step 5: Solve for x
    x = 23,175,728,278,995,472/209,953,766.20
  6. Step 6: Final answer
    x = 110,384,913.30

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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.