Finding the Fourth Proportional to 150,786,397.26, 225,970,340.97 and 68,704,678.71
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Solution
The fourth proportional to 150,786,397.26, 225,970,340.97 and 68,704,678.71 is: 102,961,672.65
Step by Step Solution
- Step 1: Write the proportion equation
150,786,397.26 : 225,970,340.97 = 68,704,678.71 : x - Step 2: Convert to fraction form
150,786,397.26/225,970,340.97 = 68,704,678.71/x - Step 3: Cross multiply
150,786,397.26x = 225,970,340.97 × 68,704,678.71 - Step 4: Simplify right side
150,786,397.26x = 15,525,219,674,332,998 - Step 5: Solve for x
x = 15,525,219,674,332,998/150,786,397.26 - Step 6: Final answer
x = 102,961,672.65
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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.