Finding the Fourth Proportional to 112,558,439.41, 155,207,299.07 and 73,327,464.79
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Solution
The fourth proportional to 112,558,439.41, 155,207,299.07 and 73,327,464.79 is: 101,111,545.41
Step by Step Solution
- Step 1: Write the proportion equation
112,558,439.41 : 155,207,299.07 = 73,327,464.79 : x - Step 2: Convert to fraction form
112,558,439.41/155,207,299.07 = 73,327,464.79/x - Step 3: Cross multiply
112,558,439.41x = 155,207,299.07 × 73,327,464.79 - Step 4: Simplify right side
112,558,439.41x = 11,380,957,756,951,768 - Step 5: Solve for x
x = 11,380,957,756,951,768/112,558,439.41 - Step 6: Final answer
x = 101,111,545.41
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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.