Finding the Fourth Proportional to 71,179,268.60, 106,768,902.90 and 44,305,412.60
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Solution
The fourth proportional to 71,179,268.60, 106,768,902.90 and 44,305,412.60 is: 66,458,118.90
Step by Step Solution
- Step 1: Write the proportion equation
71,179,268.60 : 106,768,902.90 = 44,305,412.60 : x - Step 2: Convert to fraction form
71,179,268.60/106,768,902.90 = 44,305,412.60/x - Step 3: Cross multiply
71,179,268.60x = 106,768,902.90 × 44,305,412.60 - Step 4: Simplify right side
71,179,268.60x = 4,730,440,295,833,837 - Step 5: Solve for x
x = 4,730,440,295,833,837/71,179,268.60 - Step 6: Final answer
x = 66,458,118.90
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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.