Finding the Fourth Proportional to 171,504,352.20, 257,256,528.30 and 146,845,489.80
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Solution
The fourth proportional to 171,504,352.20, 257,256,528.30 and 146,845,489.80 is: 220,268,234.70
Step by Step Solution
- Step 1: Write the proportion equation
171,504,352.20 : 257,256,528.30 = 146,845,489.80 : x - Step 2: Convert to fraction form
171,504,352.20/257,256,528.30 = 146,845,489.80/x - Step 3: Cross multiply
171,504,352.20x = 257,256,528.30 × 146,845,489.80 - Step 4: Simplify right side
171,504,352.20x = 37,776,960,902,461,064 - Step 5: Solve for x
x = 37,776,960,902,461,064/171,504,352.20 - Step 6: Final answer
x = 220,268,234.70
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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.