Finding the Fourth Proportional to 53,414,939.10, 80,122,408.65 and 52,848,068.70
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Solution
The fourth proportional to 53,414,939.10, 80,122,408.65 and 52,848,068.70 is: 79,272,103.05
Step by Step Solution
- Step 1: Write the proportion equation
53,414,939.10 : 80,122,408.65 = 52,848,068.70 : x - Step 2: Convert to fraction form
53,414,939.10/80,122,408.65 = 52,848,068.70/x - Step 3: Cross multiply
53,414,939.10x = 80,122,408.65 × 52,848,068.70 - Step 4: Simplify right side
53,414,939.10x = 4,234,314,556,744,675 - Step 5: Solve for x
x = 4,234,314,556,744,675/53,414,939.10 - Step 6: Final answer
x = 79,272,103.05
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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.