Finding the Fourth Proportional to 197,825,413.12, 296,528,685 and 66,542,710.48
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Solution
The fourth proportional to 197,825,413.12, 296,528,685 and 66,542,710.48 is: 99,743,617.99
Step by Step Solution
- Step 1: Write the proportion equation
197,825,413.12 : 296,528,685 = 66,542,710.48 : x - Step 2: Convert to fraction form
197,825,413.12/296,528,685 = 66,542,710.48/x - Step 3: Cross multiply
197,825,413.12x = 296,528,685 × 66,542,710.48 - Step 4: Simplify right side
197,825,413.12x = 19,731,822,434,970,116 - Step 5: Solve for x
x = 19,731,822,434,970,116/197,825,413.12 - Step 6: Final answer
x = 99,743,617.99
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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.