Finding the Fourth Proportional to 49,207,814.80, 73,811,722.20 and 39,641,876.80
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Solution
The fourth proportional to 49,207,814.80, 73,811,722.20 and 39,641,876.80 is: 59,462,815.20
Step by Step Solution
- Step 1: Write the proportion equation
49,207,814.80 : 73,811,722.20 = 39,641,876.80 : x - Step 2: Convert to fraction form
49,207,814.80/73,811,722.20 = 39,641,876.80/x - Step 3: Cross multiply
49,207,814.80x = 73,811,722.20 × 39,641,876.80 - Step 4: Simplify right side
49,207,814.80x = 2,926,035,197,848,225 - Step 5: Solve for x
x = 2,926,035,197,848,225/49,207,814.80 - Step 6: Final answer
x = 59,462,815.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.