Finding the Fourth Proportional to 50,678,904.96, 69,937,439.13 and 29,771,819.19
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Solution
The fourth proportional to 50,678,904.96, 69,937,439.13 and 29,771,819.19 is: 41,085,433.75
Step by Step Solution
- Step 1: Write the proportion equation
50,678,904.96 : 69,937,439.13 = 29,771,819.19 : x - Step 2: Convert to fraction form
50,678,904.96/69,937,439.13 = 29,771,819.19/x - Step 3: Cross multiply
50,678,904.96x = 69,937,439.13 × 29,771,819.19 - Step 4: Simplify right side
50,678,904.96x = 2,082,164,792,389,990.75 - Step 5: Solve for x
x = 2,082,164,792,389,990.75/50,678,904.96 - Step 6: Final answer
x = 41,085,433.75
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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.