Finding the Fourth Proportional to 170,684,578.34, 235,545,436.22 and 92,368,135.68
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Solution
The fourth proportional to 170,684,578.34, 235,545,436.22 and 92,368,135.68 is: 127,468,415.85
Step by Step Solution
- Step 1: Write the proportion equation
170,684,578.34 : 235,545,436.22 = 92,368,135.68 : x - Step 2: Convert to fraction form
170,684,578.34/235,545,436.22 = 92,368,135.68/x - Step 3: Cross multiply
170,684,578.34x = 235,545,436.22 × 92,368,135.68 - Step 4: Simplify right side
170,684,578.34x = 21,756,892,810,228,608 - Step 5: Solve for x
x = 21,756,892,810,228,608/170,684,578.34 - Step 6: Final answer
x = 127,468,415.85
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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.