Finding the Fourth Proportional to 74,493,257.18, 111,707,311.05 and 37,582,438.05
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Solution
The fourth proportional to 74,493,257.18, 111,707,311.05 and 37,582,438.05 is: 56,357,222.87
Step by Step Solution
- Step 1: Write the proportion equation
74,493,257.18 : 111,707,311.05 = 37,582,438.05 : x - Step 2: Convert to fraction form
74,493,257.18/111,707,311.05 = 37,582,438.05/x - Step 3: Cross multiply
74,493,257.18x = 111,707,311.05 × 37,582,438.05 - Step 4: Simplify right side
74,493,257.18x = 4,198,233,097,268,705 - Step 5: Solve for x
x = 4,198,233,097,268,705/74,493,257.18 - Step 6: Final answer
x = 56,357,222.87
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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.