Finding the Fourth Proportional to 79,778,855.70, 119,672,220.15 and 41,515,103.70
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Solution
The fourth proportional to 79,778,855.70, 119,672,220.15 and 41,515,103.70 is: 62,274,704.07
Step by Step Solution
- Step 1: Write the proportion equation
79,778,855.70 : 119,672,220.15 = 41,515,103.70 : x - Step 2: Convert to fraction form
79,778,855.70/119,672,220.15 = 41,515,103.70/x - Step 3: Cross multiply
79,778,855.70x = 119,672,220.15 × 41,515,103.70 - Step 4: Simplify right side
79,778,855.70x = 4,968,204,629,536,480 - Step 5: Solve for x
x = 4,968,204,629,536,480/79,778,855.70 - Step 6: Final answer
x = 62,274,704.07
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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.