Finding the Fourth Proportional to 79,288,527,704.81, 109,420,811,220.60 and 44,532,473,022.77
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Solution
The fourth proportional to 79,288,527,704.81, 109,420,811,220.60 and 44,532,473,022.77 is: 61,456,297,207.99
Step by Step Solution
- Step 1: Write the proportion equation
79,288,527,704.81 : 109,420,811,220.60 = 44,532,473,022.77 : x - Step 2: Convert to fraction form
79,288,527,704.81/109,420,811,220.60 = 44,532,473,022.77/x - Step 3: Cross multiply
79,288,527,704.81x = 109,420,811,220.60 × 44,532,473,022.77 - Step 4: Simplify right side
79,288,527,704.81x = 4,872,779,323,810,431,107,072 - Step 5: Solve for x
x = 4,872,779,323,810,431,107,072/79,288,527,704.81 - Step 6: Final answer
x = 61,456,297,207.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.