Finding the Fourth Proportional to 167,945,425.80, 251,918,138.70 and 158,379,487.80
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Solution
The fourth proportional to 167,945,425.80, 251,918,138.70 and 158,379,487.80 is: 237,569,231.70
Step by Step Solution
- Step 1: Write the proportion equation
167,945,425.80 : 251,918,138.70 = 158,379,487.80 : x - Step 2: Convert to fraction form
167,945,425.80/251,918,138.70 = 158,379,487.80/x - Step 3: Cross multiply
167,945,425.80x = 251,918,138.70 × 158,379,487.80 - Step 4: Simplify right side
167,945,425.80x = 39,898,665,774,835,360 - Step 5: Solve for x
x = 39,898,665,774,835,360/167,945,425.80 - Step 6: Final answer
x = 237,569,231.70
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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.