Finding the Fourth Proportional to 194,711,921.36, 268,691,806.22 and 106,588,871.28
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Solution
The fourth proportional to 194,711,921.36, 268,691,806.22 and 106,588,871.28 is: 147,086,814.96
Step by Step Solution
- Step 1: Write the proportion equation
194,711,921.36 : 268,691,806.22 = 106,588,871.28 : x - Step 2: Convert to fraction form
194,711,921.36/268,691,806.22 = 106,588,871.28/x - Step 3: Cross multiply
194,711,921.36x = 268,691,806.22 × 106,588,871.28 - Step 4: Simplify right side
194,711,921.36x = 28,639,556,347,174,288 - Step 5: Solve for x
x = 28,639,556,347,174,288/194,711,921.36 - Step 6: Final answer
x = 147,086,814.96
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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.