Finding the Fourth Proportional to 171,338,619.44, 256,789,579.08 and 80,261,441.84
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Solution
The fourth proportional to 171,338,619.44, 256,789,579.08 and 80,261,441.84 is: 120,289,879.39
Step by Step Solution
- Step 1: Write the proportion equation
171,338,619.44 : 256,789,579.08 = 80,261,441.84 : x - Step 2: Convert to fraction form
171,338,619.44/256,789,579.08 = 80,261,441.84/x - Step 3: Cross multiply
171,338,619.44x = 256,789,579.08 × 80,261,441.84 - Step 4: Simplify right side
171,338,619.44x = 20,610,301,866,447,504 - Step 5: Solve for x
x = 20,610,301,866,447,504/171,338,619.44 - Step 6: Final answer
x = 120,289,879.39
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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.