Finding the Fourth Proportional to 49,207,621.90, 73,811,432.85 and 48,924,186.70
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Solution
The fourth proportional to 49,207,621.90, 73,811,432.85 and 48,924,186.70 is: 73,386,280.05
Step by Step Solution
- Step 1: Write the proportion equation
49,207,621.90 : 73,811,432.85 = 48,924,186.70 : x - Step 2: Convert to fraction form
49,207,621.90/73,811,432.85 = 48,924,186.70/x - Step 3: Cross multiply
49,207,621.90x = 73,811,432.85 × 48,924,186.70 - Step 4: Simplify right side
49,207,621.90x = 3,611,164,321,347,913 - Step 5: Solve for x
x = 3,611,164,321,347,913/49,207,621.90 - Step 6: Final answer
x = 73,386,280.05
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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.