Finding the Fourth Proportional to 198,120,529.26, 273,423,656.70 and 110,031,749.46
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Solution
The fourth proportional to 198,120,529.26, 273,423,656.70 and 110,031,749.46 is: 151,853,436.91
Step by Step Solution
- Step 1: Write the proportion equation
198,120,529.26 : 273,423,656.70 = 110,031,749.46 : x - Step 2: Convert to fraction form
198,120,529.26/273,423,656.70 = 110,031,749.46/x - Step 3: Cross multiply
198,120,529.26x = 273,423,656.70 × 110,031,749.46 - Step 4: Simplify right side
198,120,529.26x = 30,085,283,290,451,448 - Step 5: Solve for x
x = 30,085,283,290,451,448/198,120,529.26 - Step 6: Final answer
x = 151,853,436.91
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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.