Finding the Fourth Proportional to 256,080,832.29, 384,121,525.52 and 119,861,875.17
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Solution
The fourth proportional to 256,080,832.29, 384,121,525.52 and 119,861,875.17 is: 179,792,942.45
Step by Step Solution
- Step 1: Write the proportion equation
256,080,832.29 : 384,121,525.52 = 119,861,875.17 : x - Step 2: Convert to fraction form
256,080,832.29/384,121,525.52 = 119,861,875.17/x - Step 3: Cross multiply
256,080,832.29x = 384,121,525.52 × 119,861,875.17 - Step 4: Simplify right side
256,080,832.29x = 46,041,526,342,287,864 - Step 5: Solve for x
x = 46,041,526,342,287,864/256,080,832.29 - Step 6: Final answer
x = 179,792,942.45
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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.