Finding the Fourth Proportional to 53,902,243.80, 80,853,365.70 and 19,816,536.60
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Solution
The fourth proportional to 53,902,243.80, 80,853,365.70 and 19,816,536.60 is: 29,724,804.90
Step by Step Solution
- Step 1: Write the proportion equation
53,902,243.80 : 80,853,365.70 = 19,816,536.60 : x - Step 2: Convert to fraction form
53,902,243.80/80,853,365.70 = 19,816,536.60/x - Step 3: Cross multiply
53,902,243.80x = 80,853,365.70 × 19,816,536.60 - Step 4: Simplify right side
53,902,243.80x = 1,602,233,680,627,234.75 - Step 5: Solve for x
x = 1,602,233,680,627,234.75/53,902,243.80 - Step 6: Final answer
x = 29,724,804.90
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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.