Finding the Fourth Proportional to 194,998,416.40, 292,497,624.60 and 49,431,696.40
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Solution
The fourth proportional to 194,998,416.40, 292,497,624.60 and 49,431,696.40 is: 74,147,544.60
Step by Step Solution
- Step 1: Write the proportion equation
194,998,416.40 : 292,497,624.60 = 49,431,696.40 : x - Step 2: Convert to fraction form
194,998,416.40/292,497,624.60 = 49,431,696.40/x - Step 3: Cross multiply
194,998,416.40x = 292,497,624.60 × 49,431,696.40 - Step 4: Simplify right side
194,998,416.40x = 14,458,653,776,948,372 - Step 5: Solve for x
x = 14,458,653,776,948,372/194,998,416.40 - Step 6: Final answer
x = 74,147,544.60
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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.