Finding the Fourth Proportional to 49,148,275.20, 73,628,409.60 and 26,421,619.20
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Solution
The fourth proportional to 49,148,275.20, 73,628,409.60 and 26,421,619.20 is: 39,581,893.62
Step by Step Solution
- Step 1: Write the proportion equation
49,148,275.20 : 73,628,409.60 = 26,421,619.20 : x - Step 2: Convert to fraction form
49,148,275.20/73,628,409.60 = 26,421,619.20/x - Step 3: Cross multiply
49,148,275.20x = 73,628,409.60 × 26,421,619.20 - Step 4: Simplify right side
49,148,275.20x = 1,945,381,800,752,824 - Step 5: Solve for x
x = 1,945,381,800,752,824/49,148,275.20 - Step 6: Final answer
x = 39,581,893.62
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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.