Finding the Fourth Proportional to 81,448,861.14, 112,367,624.37 and 46,622,940.18
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Solution
The fourth proportional to 81,448,861.14, 112,367,624.37 and 46,622,940.18 is: 64,321,452.21
Step by Step Solution
- Step 1: Write the proportion equation
81,448,861.14 : 112,367,624.37 = 46,622,940.18 : x - Step 2: Convert to fraction form
81,448,861.14/112,367,624.37 = 46,622,940.18/x - Step 3: Cross multiply
81,448,861.14x = 112,367,624.37 × 46,622,940.18 - Step 4: Simplify right side
81,448,861.14x = 5,238,909,029,171,220 - Step 5: Solve for x
x = 5,238,909,029,171,220/81,448,861.14 - Step 6: Final answer
x = 64,321,452.21
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.