Finding the Fourth Proportional to 296,353,149.75, 408,967,346.66 and 165,972,957.75
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Solution
The fourth proportional to 296,353,149.75, 408,967,346.66 and 165,972,957.75 is: 229,042,681.70
Step by Step Solution
- Step 1: Write the proportion equation
296,353,149.75 : 408,967,346.66 = 165,972,957.75 : x - Step 2: Convert to fraction form
296,353,149.75/408,967,346.66 = 165,972,957.75/x - Step 3: Cross multiply
296,353,149.75x = 408,967,346.66 × 165,972,957.75 - Step 4: Simplify right side
296,353,149.75x = 67,877,520,147,499,912 - Step 5: Solve for x
x = 67,877,520,147,499,912/296,353,149.75 - Step 6: Final answer
x = 229,042,681.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.