Finding the Fourth Proportional to 66,018,821.80, 98,933,754.30 and 48,611,176.60
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Solution
The fourth proportional to 66,018,821.80, 98,933,754.30 and 48,611,176.60 is: 72,847,198.28
Step by Step Solution
- Step 1: Write the proportion equation
66,018,821.80 : 98,933,754.30 = 48,611,176.60 : x - Step 2: Convert to fraction form
66,018,821.80/98,933,754.30 = 48,611,176.60/x - Step 3: Cross multiply
66,018,821.80x = 98,933,754.30 × 48,611,176.60 - Step 4: Simplify right side
66,018,821.80x = 4,809,286,201,978,309 - Step 5: Solve for x
x = 4,809,286,201,978,309/66,018,821.80 - Step 6: Final answer
x = 72,847,198.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.