Finding the Fourth Proportional to 207,603,393.26, 286,493,172.14 and 113,523,639.62
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Solution
The fourth proportional to 207,603,393.26, 286,493,172.14 and 113,523,639.62 is: 156,662,890.31
Step by Step Solution
- Step 1: Write the proportion equation
207,603,393.26 : 286,493,172.14 = 113,523,639.62 : x - Step 2: Convert to fraction form
207,603,393.26/286,493,172.14 = 113,523,639.62/x - Step 3: Cross multiply
207,603,393.26x = 286,493,172.14 × 113,523,639.62 - Step 4: Simplify right side
207,603,393.26x = 32,523,747,626,463,324 - Step 5: Solve for x
x = 32,523,747,626,463,324/207,603,393.26 - Step 6: Final answer
x = 156,662,890.31
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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.