Finding the Fourth Proportional to 49,207,509.15, 73,811,263.73 and 48,490,063.80
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Solution
The fourth proportional to 49,207,509.15, 73,811,263.73 and 48,490,063.80 is: 72,735,095.70
Step by Step Solution
- Step 1: Write the proportion equation
49,207,509.15 : 73,811,263.73 = 48,490,063.80 : x - Step 2: Convert to fraction form
49,207,509.15/73,811,263.73 = 48,490,063.80/x - Step 3: Cross multiply
49,207,509.15x = 73,811,263.73 × 48,490,063.80 - Step 4: Simplify right side
49,207,509.15x = 3,579,112,887,426,326 - Step 5: Solve for x
x = 3,579,112,887,426,326/49,207,509.15 - Step 6: Final answer
x = 72,735,095.70
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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.