Finding the Fourth Proportional to 129,024,080.80, 193,536,121.20 and 92,744,375.20
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Solution
The fourth proportional to 129,024,080.80, 193,536,121.20 and 92,744,375.20 is: 139,116,562.80
Step by Step Solution
- Step 1: Write the proportion equation
129,024,080.80 : 193,536,121.20 = 92,744,375.20 : x - Step 2: Convert to fraction form
129,024,080.80/193,536,121.20 = 92,744,375.20/x - Step 3: Cross multiply
129,024,080.80x = 193,536,121.20 × 92,744,375.20 - Step 4: Simplify right side
129,024,080.80x = 17,949,386,639,325,474 - Step 5: Solve for x
x = 17,949,386,639,325,474/129,024,080.80 - Step 6: Final answer
x = 139,116,562.80
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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.