Finding the Fourth Proportional to 49,207,579.40, 73,811,369.10 and 48,924,144.20
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Solution
The fourth proportional to 49,207,579.40, 73,811,369.10 and 48,924,144.20 is: 73,386,216.30
Step by Step Solution
- Step 1: Write the proportion equation
49,207,579.40 : 73,811,369.10 = 48,924,144.20 : x - Step 2: Convert to fraction form
49,207,579.40/73,811,369.10 = 48,924,144.20/x - Step 3: Cross multiply
49,207,579.40x = 73,811,369.10 × 48,924,144.20 - Step 4: Simplify right side
49,207,579.40x = 3,611,158,065,447,824 - Step 5: Solve for x
x = 3,611,158,065,447,824/49,207,579.40 - Step 6: Final answer
x = 73,386,216.30
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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.