Finding the Fourth Proportional to 57,318,556.38, 85,991,116.96 and 16,378,528.74
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Solution
The fourth proportional to 57,318,556.38, 85,991,116.96 and 16,378,528.74 is: 24,571,588.50
Step by Step Solution
- Step 1: Write the proportion equation
57,318,556.38 : 85,991,116.96 = 16,378,528.74 : x - Step 2: Convert to fraction form
57,318,556.38/85,991,116.96 = 16,378,528.74/x - Step 3: Cross multiply
57,318,556.38x = 85,991,116.96 × 16,378,528.74 - Step 4: Simplify right side
57,318,556.38x = 1,408,407,980,514,061.25 - Step 5: Solve for x
x = 1,408,407,980,514,061.25/57,318,556.38 - Step 6: Final answer
x = 24,571,588.50
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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.