Finding the Fourth Proportional to 79,382,522.42, 119,052,525.96 and 21,861,120.05
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Solution
The fourth proportional to 79,382,522.42, 119,052,525.96 and 21,861,120.05 is: 32,785,825.93
Step by Step Solution
- Step 1: Write the proportion equation
79,382,522.42 : 119,052,525.96 = 21,861,120.05 : x - Step 2: Convert to fraction form
79,382,522.42/119,052,525.96 = 21,861,120.05/x - Step 3: Cross multiply
79,382,522.42x = 119,052,525.96 × 21,861,120.05 - Step 4: Simplify right side
79,382,522.42x = 2,602,621,561,672,039 - Step 5: Solve for x
x = 2,602,621,561,672,039/79,382,522.42 - Step 6: Final answer
x = 32,785,825.93
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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.