Finding the Fourth Proportional to 178,727,431.74, 268,093,821.84 and 68,069,213.02
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Solution
The fourth proportional to 178,727,431.74, 268,093,821.84 and 68,069,213.02 is: 102,104,838.02
Step by Step Solution
- Step 1: Write the proportion equation
178,727,431.74 : 268,093,821.84 = 68,069,213.02 : x - Step 2: Convert to fraction form
178,727,431.74/268,093,821.84 = 68,069,213.02/x - Step 3: Cross multiply
178,727,431.74x = 268,093,821.84 × 68,069,213.02 - Step 4: Simplify right side
178,727,431.74x = 18,248,935,468,172,888 - Step 5: Solve for x
x = 18,248,935,468,172,888/178,727,431.74 - Step 6: Final answer
x = 102,104,838.02
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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.