Finding the Fourth Proportional to 82,535,741, 113,779,278.87 and 57,678,755.84
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Solution
The fourth proportional to 82,535,741, 113,779,278.87 and 57,678,755.84 is: 79,512,792.47
Step by Step Solution
- Step 1: Write the proportion equation
82,535,741 : 113,779,278.87 = 57,678,755.84 : x - Step 2: Convert to fraction form
82,535,741/113,779,278.87 = 57,678,755.84/x - Step 3: Cross multiply
82,535,741x = 113,779,278.87 × 57,678,755.84 - Step 4: Simplify right side
82,535,741x = 6,562,647,245,594,002 - Step 5: Solve for x
x = 6,562,647,245,594,002/82,535,741 - Step 6: Final answer
x = 79,512,792.47
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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.