Finding the Fourth Proportional to 134,117,676.40, 201,176,514.60 and 126,181,490.80
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Solution
The fourth proportional to 134,117,676.40, 201,176,514.60 and 126,181,490.80 is: 189,272,236.20
Step by Step Solution
- Step 1: Write the proportion equation
134,117,676.40 : 201,176,514.60 = 126,181,490.80 : x - Step 2: Convert to fraction form
134,117,676.40/201,176,514.60 = 126,181,490.80/x - Step 3: Cross multiply
134,117,676.40x = 201,176,514.60 × 126,181,490.80 - Step 4: Simplify right side
134,117,676.40x = 25,384,752,526,175,964 - Step 5: Solve for x
x = 25,384,752,526,175,964/134,117,676.40 - Step 6: Final answer
x = 189,272,236.20
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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.