Finding the Fourth Proportional to 99,117,514.80, 148,676,272.20 and 60,375,465.90
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Solution
The fourth proportional to 99,117,514.80, 148,676,272.20 and 60,375,465.90 is: 90,563,198.85
Step by Step Solution
- Step 1: Write the proportion equation
99,117,514.80 : 148,676,272.20 = 60,375,465.90 : x - Step 2: Convert to fraction form
99,117,514.80/148,676,272.20 = 60,375,465.90/x - Step 3: Cross multiply
99,117,514.80x = 148,676,272.20 × 60,375,465.90 - Step 4: Simplify right side
99,117,514.80x = 8,976,399,202,350,217 - Step 5: Solve for x
x = 8,976,399,202,350,217/99,117,514.80 - Step 6: Final answer
x = 90,563,198.85
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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.