Finding the Fourth Proportional to 228,976,738.80, 343,863,239.40 and 121,481,314.80
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Solution
The fourth proportional to 228,976,738.80, 343,863,239.40 and 121,481,314.80 is: 182,433,196.72
Step by Step Solution
- Step 1: Write the proportion equation
228,976,738.80 : 343,863,239.40 = 121,481,314.80 : x - Step 2: Convert to fraction form
228,976,738.80/343,863,239.40 = 121,481,314.80/x - Step 3: Cross multiply
228,976,738.80x = 343,863,239.40 × 121,481,314.80 - Step 4: Simplify right side
228,976,738.80x = 41,772,958,433,699,160 - Step 5: Solve for x
x = 41,772,958,433,699,160/228,976,738.80 - Step 6: Final answer
x = 182,433,196.72
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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.