Finding the Fourth Proportional to 66,407,699.57, 99,407,245.14 and 43,328,939.99
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Solution
The fourth proportional to 66,407,699.57, 99,407,245.14 and 43,328,939.99 is: 64,860,107.89
Step by Step Solution
- Step 1: Write the proportion equation
66,407,699.57 : 99,407,245.14 = 43,328,939.99 : x - Step 2: Convert to fraction form
66,407,699.57/99,407,245.14 = 43,328,939.99/x - Step 3: Cross multiply
66,407,699.57x = 99,407,245.14 × 43,328,939.99 - Step 4: Simplify right side
66,407,699.57x = 4,307,210,558,745,243 - Step 5: Solve for x
x = 4,307,210,558,745,243/66,407,699.57 - Step 6: Final answer
x = 64,860,107.89
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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.