Finding the Fourth Proportional to 277,925,211.36, 416,891,364.96 and 73,451,520
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Solution
The fourth proportional to 277,925,211.36, 416,891,364.96 and 73,451,520 is: 110,178,217.66
Step by Step Solution
- Step 1: Write the proportion equation
277,925,211.36 : 416,891,364.96 = 73,451,520 : x - Step 2: Convert to fraction form
277,925,211.36/416,891,364.96 = 73,451,520/x - Step 3: Cross multiply
277,925,211.36x = 416,891,364.96 × 73,451,520 - Step 4: Simplify right side
277,925,211.36x = 30,621,304,431,186,736 - Step 5: Solve for x
x = 30,621,304,431,186,736/277,925,211.36 - Step 6: Final answer
x = 110,178,217.66
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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.