Home / 208,114,212.20-311,835,395.10-173,850,045.80

Finding the Fourth Proportional to 208,114,212.20, 311,835,395.10 and 173,850,045.80

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Solution

The fourth proportional to 208,114,212.20, 311,835,395.10 and 173,850,045.80 is: 260,494,452.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,114,212.20 : 311,835,395.10 = 173,850,045.80 : x
  2. Step 2: Convert to fraction form
    208,114,212.20/311,835,395.10 = 173,850,045.80/x
  3. Step 3: Cross multiply
    208,114,212.20x = 311,835,395.10 × 173,850,045.80
  4. Step 4: Simplify right side
    208,114,212.20x = 54,212,597,720,196,104
  5. Step 5: Solve for x
    x = 54,212,597,720,196,104/208,114,212.20
  6. Step 6: Final answer
    x = 260,494,452.29

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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.