Finding the Fourth Proportional to 197,397,829.80, 296,096,744.70 and 191,729,125.80
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Solution
The fourth proportional to 197,397,829.80, 296,096,744.70 and 191,729,125.80 is: 287,593,688.70
Step by Step Solution
- Step 1: Write the proportion equation
197,397,829.80 : 296,096,744.70 = 191,729,125.80 : x - Step 2: Convert to fraction form
197,397,829.80/296,096,744.70 = 191,729,125.80/x - Step 3: Cross multiply
197,397,829.80x = 296,096,744.70 × 191,729,125.80 - Step 4: Simplify right side
197,397,829.80x = 56,770,370,013,556,784 - Step 5: Solve for x
x = 56,770,370,013,556,784/197,397,829.80 - Step 6: Final answer
x = 287,593,688.70
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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.