Finding the Fourth Proportional to 66,407,715.38, 99,407,268.68 and 43,328,955.62
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Solution
The fourth proportional to 66,407,715.38, 99,407,268.68 and 43,328,955.62 is: 64,860,131.20
Step by Step Solution
- Step 1: Write the proportion equation
66,407,715.38 : 99,407,268.68 = 43,328,955.62 : x - Step 2: Convert to fraction form
66,407,715.38/99,407,268.68 = 43,328,955.62/x - Step 3: Cross multiply
66,407,715.38x = 99,407,268.68 × 43,328,955.62 - Step 4: Simplify right side
66,407,715.38x = 4,307,213,132,227,455 - Step 5: Solve for x
x = 4,307,213,132,227,455/66,407,715.38 - Step 6: Final answer
x = 64,860,131.20
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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.