Finding the Fourth Proportional to 181,551,137.20, 272,161,368.60 and 66,507,938.80
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Solution
The fourth proportional to 181,551,137.20, 272,161,368.60 and 66,507,938.80 is: 99,701,339.94
Step by Step Solution
- Step 1: Write the proportion equation
181,551,137.20 : 272,161,368.60 = 66,507,938.80 : x - Step 2: Convert to fraction form
181,551,137.20/272,161,368.60 = 66,507,938.80/x - Step 3: Cross multiply
181,551,137.20x = 272,161,368.60 × 66,507,938.80 - Step 4: Simplify right side
181,551,137.20x = 18,100,891,646,573,044 - Step 5: Solve for x
x = 18,100,891,646,573,044/181,551,137.20 - Step 6: Final answer
x = 99,701,339.94
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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.