Finding the Fourth Proportional to 51,379,436.58, 77,065,279.20 and 16,363,135.80
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Solution
The fourth proportional to 51,379,436.58, 77,065,279.20 and 16,363,135.80 is: 24,543,469.39
Step by Step Solution
- Step 1: Write the proportion equation
51,379,436.58 : 77,065,279.20 = 16,363,135.80 : x - Step 2: Convert to fraction form
51,379,436.58/77,065,279.20 = 16,363,135.80/x - Step 3: Cross multiply
51,379,436.58x = 77,065,279.20 × 16,363,135.80 - Step 4: Simplify right side
51,379,436.58x = 1,261,029,629,014,515.50 - Step 5: Solve for x
x = 1,261,029,629,014,515.50/51,379,436.58 - Step 6: Final answer
x = 24,543,469.39
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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.