Finding the Fourth Proportional to 80,883,957.80, 121,325,936.70 and 26,296,437.80
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Solution
The fourth proportional to 80,883,957.80, 121,325,936.70 and 26,296,437.80 is: 39,444,656.70
Step by Step Solution
- Step 1: Write the proportion equation
80,883,957.80 : 121,325,936.70 = 26,296,437.80 : x - Step 2: Convert to fraction form
80,883,957.80/121,325,936.70 = 26,296,437.80/x - Step 3: Cross multiply
80,883,957.80x = 121,325,936.70 × 26,296,437.80 - Step 4: Simplify right side
80,883,957.80x = 3,190,439,947,958,287.50 - Step 5: Solve for x
x = 3,190,439,947,958,287.50/80,883,957.80 - Step 6: Final answer
x = 39,444,656.70
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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.