Finding the Fourth Proportional to 133,059,514.70, 199,589,272.05 and 75,529,556.30
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Solution
The fourth proportional to 133,059,514.70, 199,589,272.05 and 75,529,556.30 is: 113,294,334.45
Step by Step Solution
- Step 1: Write the proportion equation
133,059,514.70 : 199,589,272.05 = 75,529,556.30 : x - Step 2: Convert to fraction form
133,059,514.70/199,589,272.05 = 75,529,556.30/x - Step 3: Cross multiply
133,059,514.70x = 199,589,272.05 × 75,529,556.30 - Step 4: Simplify right side
133,059,514.70x = 15,074,889,160,176,492 - Step 5: Solve for x
x = 15,074,889,160,176,492/133,059,514.70 - Step 6: Final answer
x = 113,294,334.45
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1.5x scale
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.