Finding the Fourth Proportional to 74,010,884.72, 102,136,230.42 and 40,519,805.18
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Solution
The fourth proportional to 74,010,884.72, 102,136,230.42 and 40,519,805.18 is: 55,917,993.33
Step by Step Solution
- Step 1: Write the proportion equation
74,010,884.72 : 102,136,230.42 = 40,519,805.18 : x - Step 2: Convert to fraction form
74,010,884.72/102,136,230.42 = 40,519,805.18/x - Step 3: Cross multiply
74,010,884.72x = 102,136,230.42 × 40,519,805.18 - Step 4: Simplify right side
74,010,884.72x = 4,138,540,158,437,989.50 - Step 5: Solve for x
x = 4,138,540,158,437,989.50/74,010,884.72 - Step 6: Final answer
x = 55,917,993.33
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.