Home / 149,167,705.37-205,840,852.43-82,183,737.60

Finding the Fourth Proportional to 149,167,705.37, 205,840,852.43 and 82,183,737.60

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Solution

The fourth proportional to 149,167,705.37, 205,840,852.43 and 82,183,737.60 is: 113,407,728.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,167,705.37 : 205,840,852.43 = 82,183,737.60 : x
  2. Step 2: Convert to fraction form
    149,167,705.37/205,840,852.43 = 82,183,737.60/x
  3. Step 3: Cross multiply
    149,167,705.37x = 205,840,852.43 × 82,183,737.60
  4. Step 4: Simplify right side
    149,167,705.37x = 16,916,770,603,056,524
  5. Step 5: Solve for x
    x = 16,916,770,603,056,524/149,167,705.37
  6. Step 6: Final answer
    x = 113,407,728.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.