Finding the Fourth Proportional to 198,718,319.51, 298,121,936.21 and 60,554,739.85
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Solution
The fourth proportional to 198,718,319.51, 298,121,936.21 and 60,554,739.85 is: 90,845,656.99
Step by Step Solution
- Step 1: Write the proportion equation
198,718,319.51 : 298,121,936.21 = 60,554,739.85 : x - Step 2: Convert to fraction form
198,718,319.51/298,121,936.21 = 60,554,739.85/x - Step 3: Cross multiply
198,718,319.51x = 298,121,936.21 × 60,554,739.85 - Step 4: Simplify right side
198,718,319.51x = 18,052,696,290,796,640 - Step 5: Solve for x
x = 18,052,696,290,796,640/198,718,319.51 - Step 6: Final answer
x = 90,845,656.99
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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.