Finding the Fourth Proportional to 80,861,992.28, 121,305,529.16 and 34,175,674.56
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Solution
The fourth proportional to 80,861,992.28, 121,305,529.16 and 34,175,674.56 is: 51,268,812.07
Step by Step Solution
- Step 1: Write the proportion equation
80,861,992.28 : 121,305,529.16 = 34,175,674.56 : x - Step 2: Convert to fraction form
80,861,992.28/121,305,529.16 = 34,175,674.56/x - Step 3: Cross multiply
80,861,992.28x = 121,305,529.16 × 34,175,674.56 - Step 4: Simplify right side
80,861,992.28x = 4,145,698,286,123,344 - Step 5: Solve for x
x = 4,145,698,286,123,344/80,861,992.28 - Step 6: Final answer
x = 51,268,812.07
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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.