Finding the Fourth Proportional to 146,015,439.62, 201,501,310.65 and 80,825,343.62
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Solution
The fourth proportional to 146,015,439.62, 201,501,310.65 and 80,825,343.62 is: 111,538,976.40
Step by Step Solution
- Step 1: Write the proportion equation
146,015,439.62 : 201,501,310.65 = 80,825,343.62 : x - Step 2: Convert to fraction form
146,015,439.62/201,501,310.65 = 80,825,343.62/x - Step 3: Cross multiply
146,015,439.62x = 201,501,310.65 × 80,825,343.62 - Step 4: Simplify right side
146,015,439.62x = 16,286,412,673,166,616 - Step 5: Solve for x
x = 16,286,412,673,166,616/146,015,439.62 - Step 6: Final answer
x = 111,538,976.40
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1.5x scale
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.