Home / 209,961,539.70-314,942,309.55-133,056,122.10

Finding the Fourth Proportional to 209,961,539.70, 314,942,309.55 and 133,056,122.10

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Solution

The fourth proportional to 209,961,539.70, 314,942,309.55 and 133,056,122.10 is: 199,584,183.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,961,539.70 : 314,942,309.55 = 133,056,122.10 : x
  2. Step 2: Convert to fraction form
    209,961,539.70/314,942,309.55 = 133,056,122.10/x
  3. Step 3: Cross multiply
    209,961,539.70x = 314,942,309.55 × 133,056,122.10
  4. Step 4: Simplify right side
    209,961,539.70x = 41,905,002,393,940,792
  5. Step 5: Solve for x
    x = 41,905,002,393,940,792/209,961,539.70
  6. Step 6: Final answer
    x = 199,584,183.15

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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.