Finding the Fourth Proportional to 243,388,273.49, 335,876,112.66 and 131,879,028.08
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Solution
The fourth proportional to 243,388,273.49, 335,876,112.66 and 131,879,028.08 is: 181,993,218.73
Step by Step Solution
- Step 1: Write the proportion equation
243,388,273.49 : 335,876,112.66 = 131,879,028.08 : x - Step 2: Convert to fraction form
243,388,273.49/335,876,112.66 = 131,879,028.08/x - Step 3: Cross multiply
243,388,273.49x = 335,876,112.66 × 131,879,028.08 - Step 4: Simplify right side
243,388,273.49x = 44,295,015,292,889,384 - Step 5: Solve for x
x = 44,295,015,292,889,384/243,388,273.49 - Step 6: Final answer
x = 181,993,218.73
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.