Finding the Fourth Proportional to 64,197,230.36, 96,311,530.54 and 20,477,996.42
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Solution
The fourth proportional to 64,197,230.36, 96,311,530.54 and 20,477,996.42 is: 30,721,997.92
Step by Step Solution
- Step 1: Write the proportion equation
64,197,230.36 : 96,311,530.54 = 20,477,996.42 : x - Step 2: Convert to fraction form
64,197,230.36/96,311,530.54 = 20,477,996.42/x - Step 3: Cross multiply
64,197,230.36x = 96,311,530.54 × 20,477,996.42 - Step 4: Simplify right side
64,197,230.36x = 1,972,267,177,602,841 - Step 5: Solve for x
x = 1,972,267,177,602,841/64,197,230.36 - Step 6: Final answer
x = 30,721,997.92
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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.