Finding the Fourth Proportional to 63,907,231.80, 95,860,847.70 and 48,790,687.80
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Solution
The fourth proportional to 63,907,231.80, 95,860,847.70 and 48,790,687.80 is: 73,186,031.70
Step by Step Solution
- Step 1: Write the proportion equation
63,907,231.80 : 95,860,847.70 = 48,790,687.80 : x - Step 2: Convert to fraction form
63,907,231.80/95,860,847.70 = 48,790,687.80/x - Step 3: Cross multiply
63,907,231.80x = 95,860,847.70 × 48,790,687.80 - Step 4: Simplify right side
63,907,231.80x = 4,677,116,692,374,048 - Step 5: Solve for x
x = 4,677,116,692,374,048/63,907,231.80 - Step 6: Final answer
x = 73,186,031.70
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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.