Finding the Fourth Proportional to 94,083,780.20, 141,125,670.30 and 73,676,445.80
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Solution
The fourth proportional to 94,083,780.20, 141,125,670.30 and 73,676,445.80 is: 110,514,668.70
Step by Step Solution
- Step 1: Write the proportion equation
94,083,780.20 : 141,125,670.30 = 73,676,445.80 : x - Step 2: Convert to fraction form
94,083,780.20/141,125,670.30 = 73,676,445.80/x - Step 3: Cross multiply
94,083,780.20x = 141,125,670.30 × 73,676,445.80 - Step 4: Simplify right side
94,083,780.20x = 10,397,637,798,846,620 - Step 5: Solve for x
x = 10,397,637,798,846,620/94,083,780.20 - Step 6: Final answer
x = 110,514,668.70
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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.