Finding the Fourth Proportional to 64,939,456.28, 97,421,716.83 and 21,208,458.26
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Solution
The fourth proportional to 64,939,456.28, 97,421,716.83 and 21,208,458.26 is: 31,816,780.32
Step by Step Solution
- Step 1: Write the proportion equation
64,939,456.28 : 97,421,716.83 = 21,208,458.26 : x - Step 2: Convert to fraction form
64,939,456.28/97,421,716.83 = 21,208,458.26/x - Step 3: Cross multiply
64,939,456.28x = 97,421,716.83 × 21,208,458.26 - Step 4: Simplify right side
64,939,456.28x = 2,066,164,414,519,485.75 - Step 5: Solve for x
x = 2,066,164,414,519,485.75/64,939,456.28 - Step 6: Final answer
x = 31,816,780.32
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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.