Finding the Fourth Proportional to 67,383,329.68, 92,993,247.54 and 38,003,942.68
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Solution
The fourth proportional to 67,383,329.68, 92,993,247.54 and 38,003,942.68 is: 52,447,839.34
Step by Step Solution
- Step 1: Write the proportion equation
67,383,329.68 : 92,993,247.54 = 38,003,942.68 : x - Step 2: Convert to fraction form
67,383,329.68/92,993,247.54 = 38,003,942.68/x - Step 3: Cross multiply
67,383,329.68x = 92,993,247.54 × 38,003,942.68 - Step 4: Simplify right side
67,383,329.68x = 3,534,110,049,137,211 - Step 5: Solve for x
x = 3,534,110,049,137,211/67,383,329.68 - Step 6: Final answer
x = 52,447,839.34
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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.