Finding the Fourth Proportional to 129,764,688.66, 194,622,226.74 and 38,888,277.66
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Solution
The fourth proportional to 129,764,688.66, 194,622,226.74 and 38,888,277.66 is: 58,324,982.48
Step by Step Solution
- Step 1: Write the proportion equation
129,764,688.66 : 194,622,226.74 = 38,888,277.66 : x - Step 2: Convert to fraction form
129,764,688.66/194,622,226.74 = 38,888,277.66/x - Step 3: Cross multiply
129,764,688.66x = 194,622,226.74 × 38,888,277.66 - Step 4: Simplify right side
129,764,688.66x = 7,568,523,192,272,596 - Step 5: Solve for x
x = 7,568,523,192,272,596/129,764,688.66 - Step 6: Final answer
x = 58,324,982.48
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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.