Finding the Fourth Proportional to 64,431,318.36, 88,915,233.86 and 35,457,942.36
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Solution
The fourth proportional to 64,431,318.36, 88,915,233.86 and 35,457,942.36 is: 48,931,968.45
Step by Step Solution
- Step 1: Write the proportion equation
64,431,318.36 : 88,915,233.86 = 35,457,942.36 : x - Step 2: Convert to fraction form
64,431,318.36/88,915,233.86 = 35,457,942.36/x - Step 3: Cross multiply
64,431,318.36x = 88,915,233.86 × 35,457,942.36 - Step 4: Simplify right side
64,431,318.36x = 3,152,751,237,133,800 - Step 5: Solve for x
x = 3,152,751,237,133,800/64,431,318.36 - Step 6: Final answer
x = 48,931,968.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.