Finding the Fourth Proportional to 178,582,286.99, 267,737,183.12 and 81,470,080.16
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Solution
The fourth proportional to 178,582,286.99, 267,737,183.12 and 81,470,080.16 is: 122,142,963.55
Step by Step Solution
- Step 1: Write the proportion equation
178,582,286.99 : 267,737,183.12 = 81,470,080.16 : x - Step 2: Convert to fraction form
178,582,286.99/267,737,183.12 = 81,470,080.16/x - Step 3: Cross multiply
178,582,286.99x = 267,737,183.12 × 81,470,080.16 - Step 4: Simplify right side
178,582,286.99x = 21,812,569,770,468,004 - Step 5: Solve for x
x = 21,812,569,770,468,004/178,582,286.99 - Step 6: Final answer
x = 122,142,963.55
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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.