Finding the Fourth Proportional to 49,207,625.40, 73,811,438.10 and 48,490,180.05
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Solution
The fourth proportional to 49,207,625.40, 73,811,438.10 and 48,490,180.05 is: 72,735,270.08
Step by Step Solution
- Step 1: Write the proportion equation
49,207,625.40 : 73,811,438.10 = 48,490,180.05 : x - Step 2: Convert to fraction form
49,207,625.40/73,811,438.10 = 48,490,180.05/x - Step 3: Cross multiply
49,207,625.40x = 73,811,438.10 × 48,490,180.05 - Step 4: Simplify right side
49,207,625.40x = 3,579,129,923,218,429.50 - Step 5: Solve for x
x = 3,579,129,923,218,429.50/49,207,625.40 - Step 6: Final answer
x = 72,735,270.08
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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.