Finding the Fourth Proportional to 63,715,512.70, 95,431,551.45 and 52,378,104.70
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Solution
The fourth proportional to 63,715,512.70, 95,431,551.45 and 52,378,104.70 is: 78,450,656.39
Step by Step Solution
- Step 1: Write the proportion equation
63,715,512.70 : 95,431,551.45 = 52,378,104.70 : x - Step 2: Convert to fraction form
63,715,512.70/95,431,551.45 = 52,378,104.70/x - Step 3: Cross multiply
63,715,512.70x = 95,431,551.45 × 52,378,104.70 - Step 4: Simplify right side
63,715,512.70x = 4,998,523,793,531,537 - Step 5: Solve for x
x = 4,998,523,793,531,537/63,715,512.70 - Step 6: Final answer
x = 78,450,656.39
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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.