Finding the Fourth Proportional to 190,605,460.62, 286,029,114.63 and 81,431,452.98
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Solution
The fourth proportional to 190,605,460.62, 286,029,114.63 and 81,431,452.98 is: 122,198,841.12
Step by Step Solution
- Step 1: Write the proportion equation
190,605,460.62 : 286,029,114.63 = 81,431,452.98 : x - Step 2: Convert to fraction form
190,605,460.62/286,029,114.63 = 81,431,452.98/x - Step 3: Cross multiply
190,605,460.62x = 286,029,114.63 × 81,431,452.98 - Step 4: Simplify right side
190,605,460.62x = 23,291,766,398,903,876 - Step 5: Solve for x
x = 23,291,766,398,903,876/190,605,460.62 - Step 6: Final answer
x = 122,198,841.12
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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.