Finding the Fourth Proportional to 312,134,623.20, 468,060,217.20 and 117,981,511.20
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Solution
The fourth proportional to 312,134,623.20, 468,060,217.20 and 117,981,511.20 is: 176,918,699.99
Step by Step Solution
- Step 1: Write the proportion equation
312,134,623.20 : 468,060,217.20 = 117,981,511.20 : x - Step 2: Convert to fraction form
312,134,623.20/468,060,217.20 = 117,981,511.20/x - Step 3: Cross multiply
312,134,623.20x = 468,060,217.20 × 117,981,511.20 - Step 4: Simplify right side
312,134,623.20x = 55,222,451,757,856,232 - Step 5: Solve for x
x = 55,222,451,757,856,232/312,134,623.20 - Step 6: Final answer
x = 176,918,699.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.