Finding the Fourth Proportional to 113,796,840.52, 170,522,836.62 and 75,320,512.12
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Solution
The fourth proportional to 113,796,840.52, 170,522,836.62 and 75,320,512.12 is: 112,866,643.08
Step by Step Solution
- Step 1: Write the proportion equation
113,796,840.52 : 170,522,836.62 = 75,320,512.12 : x - Step 2: Convert to fraction form
113,796,840.52/170,522,836.62 = 75,320,512.12/x - Step 3: Cross multiply
113,796,840.52x = 170,522,836.62 × 75,320,512.12 - Step 4: Simplify right side
113,796,840.52x = 12,843,867,382,373,492 - Step 5: Solve for x
x = 12,843,867,382,373,492/113,796,840.52 - Step 6: Final answer
x = 112,866,643.08
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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.