Finding the Fourth Proportional to 84,419,444.40, 126,629,166.60 and 79,716,519.60
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Solution
The fourth proportional to 84,419,444.40, 126,629,166.60 and 79,716,519.60 is: 119,574,779.40
Step by Step Solution
- Step 1: Write the proportion equation
84,419,444.40 : 126,629,166.60 = 79,716,519.60 : x - Step 2: Convert to fraction form
84,419,444.40/126,629,166.60 = 79,716,519.60/x - Step 3: Cross multiply
84,419,444.40x = 126,629,166.60 × 79,716,519.60 - Step 4: Simplify right side
84,419,444.40x = 10,094,436,441,200,564 - Step 5: Solve for x
x = 10,094,436,441,200,564/84,419,444.40 - Step 6: Final answer
x = 119,574,779.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.