Finding the Fourth Proportional to 207,603,394.26, 286,493,173.52 and 113,523,640.62
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Solution
The fourth proportional to 207,603,394.26, 286,493,173.52 and 113,523,640.62 is: 156,662,891.70
Step by Step Solution
- Step 1: Write the proportion equation
207,603,394.26 : 286,493,173.52 = 113,523,640.62 : x - Step 2: Convert to fraction form
207,603,394.26/286,493,173.52 = 113,523,640.62/x - Step 3: Cross multiply
207,603,394.26x = 286,493,173.52 × 113,523,640.62 - Step 4: Simplify right side
207,603,394.26x = 32,523,748,070,767,780 - Step 5: Solve for x
x = 32,523,748,070,767,780/207,603,394.26 - Step 6: Final answer
x = 156,662,891.70
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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.