Finding the Fourth Proportional to 243,013,234.15, 335,359,146.05 and 131,504,063.19
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Solution
The fourth proportional to 243,013,234.15, 335,359,146.05 and 131,504,063.19 is: 181,476,084.99
Step by Step Solution
- Step 1: Write the proportion equation
243,013,234.15 : 335,359,146.05 = 131,504,063.19 : x - Step 2: Convert to fraction form
243,013,234.15/335,359,146.05 = 131,504,063.19/x - Step 3: Cross multiply
243,013,234.15x = 335,359,146.05 × 131,504,063.19 - Step 4: Simplify right side
243,013,234.15x = 44,101,090,333,503,640 - Step 5: Solve for x
x = 44,101,090,333,503,640/243,013,234.15 - Step 6: Final answer
x = 181,476,084.99
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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.