Finding the Fourth Proportional to 181,642,707.36, 272,227,486.32 and 73,811,268
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Solution
The fourth proportional to 181,642,707.36, 272,227,486.32 and 73,811,268 is: 110,620,768.88
Step by Step Solution
- Step 1: Write the proportion equation
181,642,707.36 : 272,227,486.32 = 73,811,268 : x - Step 2: Convert to fraction form
181,642,707.36/272,227,486.32 = 73,811,268/x - Step 3: Cross multiply
181,642,707.36x = 272,227,486.32 × 73,811,268 - Step 4: Simplify right side
181,642,707.36x = 20,093,455,949,731,852 - Step 5: Solve for x
x = 20,093,455,949,731,852/181,642,707.36 - Step 6: Final answer
x = 110,620,768.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.