Finding the Fourth Proportional to 50,013,731.96, 69,019,767.32 and 27,381,727.09
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Solution
The fourth proportional to 50,013,731.96, 69,019,767.32 and 27,381,727.09 is: 37,787,230.80
Step by Step Solution
- Step 1: Write the proportion equation
50,013,731.96 : 69,019,767.32 = 27,381,727.09 : x - Step 2: Convert to fraction form
50,013,731.96/69,019,767.32 = 27,381,727.09/x - Step 3: Cross multiply
50,013,731.96x = 69,019,767.32 × 27,381,727.09 - Step 4: Simplify right side
50,013,731.96x = 1,889,880,432,597,931.25 - Step 5: Solve for x
x = 1,889,880,432,597,931.25/50,013,731.96 - Step 6: Final answer
x = 37,787,230.80
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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.