Finding the Fourth Proportional to 204,601,528.40, 306,902,292.60 and 122,972,190.80
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Solution
The fourth proportional to 204,601,528.40, 306,902,292.60 and 122,972,190.80 is: 184,458,286.20
Step by Step Solution
- Step 1: Write the proportion equation
204,601,528.40 : 306,902,292.60 = 122,972,190.80 : x - Step 2: Convert to fraction form
204,601,528.40/306,902,292.60 = 122,972,190.80/x - Step 3: Cross multiply
204,601,528.40x = 306,902,292.60 × 122,972,190.80 - Step 4: Simplify right side
204,601,528.40x = 37,740,447,282,564,632 - Step 5: Solve for x
x = 37,740,447,282,564,632/204,601,528.40 - Step 6: Final answer
x = 184,458,286.20
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1.5x scale
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.