Finding the Fourth Proportional to 117,904,046.20, 176,688,107.70 and 86,957,121.40
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Solution
The fourth proportional to 117,904,046.20, 176,688,107.70 and 86,957,121.40 is: 130,311,806.31
Step by Step Solution
- Step 1: Write the proportion equation
117,904,046.20 : 176,688,107.70 = 86,957,121.40 : x - Step 2: Convert to fraction form
117,904,046.20/176,688,107.70 = 86,957,121.40/x - Step 3: Cross multiply
117,904,046.20x = 176,688,107.70 × 86,957,121.40 - Step 4: Simplify right side
117,904,046.20x = 15,364,289,231,205,174 - Step 5: Solve for x
x = 15,364,289,231,205,174/117,904,046.20 - Step 6: Final answer
x = 130,311,806.31
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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.