Finding the Fourth Proportional to 126,351,861.27, 189,406,714.73 and 53,468,382.03
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Solution
The fourth proportional to 126,351,861.27, 189,406,714.73 and 53,468,382.03 is: 80,151,336.75
Step by Step Solution
- Step 1: Write the proportion equation
126,351,861.27 : 189,406,714.73 = 53,468,382.03 : x - Step 2: Convert to fraction form
126,351,861.27/189,406,714.73 = 53,468,382.03/x - Step 3: Cross multiply
126,351,861.27x = 189,406,714.73 × 53,468,382.03 - Step 4: Simplify right side
126,351,861.27x = 10,127,270,581,963,526 - Step 5: Solve for x
x = 10,127,270,581,963,526/126,351,861.27 - Step 6: Final answer
x = 80,151,336.75
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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.