Finding the Fourth Proportional to 177,206,821.40, 265,810,232.10 and 125,810,571.80
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Solution
The fourth proportional to 177,206,821.40, 265,810,232.10 and 125,810,571.80 is: 188,715,857.70
Step by Step Solution
- Step 1: Write the proportion equation
177,206,821.40 : 265,810,232.10 = 125,810,571.80 : x - Step 2: Convert to fraction form
177,206,821.40/265,810,232.10 = 125,810,571.80/x - Step 3: Cross multiply
177,206,821.40x = 265,810,232.10 × 125,810,571.80 - Step 4: Simplify right side
177,206,821.40x = 33,441,737,290,791,712 - Step 5: Solve for x
x = 33,441,737,290,791,712/177,206,821.40 - Step 6: Final answer
x = 188,715,857.70
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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.