Finding the Fourth Proportional to 128,902,333.20, 193,351,605.29 and 31,858,049.13
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Solution
The fourth proportional to 128,902,333.20, 193,351,605.29 and 31,858,049.13 is: 47,786,605.47
Step by Step Solution
- Step 1: Write the proportion equation
128,902,333.20 : 193,351,605.29 = 31,858,049.13 : x - Step 2: Convert to fraction form
128,902,333.20/193,351,605.29 = 31,858,049.13/x - Step 3: Cross multiply
128,902,333.20x = 193,351,605.29 × 31,858,049.13 - Step 4: Simplify right side
128,902,333.20x = 6,159,804,940,693,187 - Step 5: Solve for x
x = 6,159,804,940,693,187/128,902,333.20 - Step 6: Final answer
x = 47,786,605.47
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.