Finding the Fourth Proportional to 68,241,959.80, 102,362,939.70 and 22,183,739.80
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Solution
The fourth proportional to 68,241,959.80, 102,362,939.70 and 22,183,739.80 is: 33,275,609.70
Step by Step Solution
- Step 1: Write the proportion equation
68,241,959.80 : 102,362,939.70 = 22,183,739.80 : x - Step 2: Convert to fraction form
68,241,959.80/102,362,939.70 = 22,183,739.80/x - Step 3: Cross multiply
68,241,959.80x = 102,362,939.70 × 22,183,739.80 - Step 4: Simplify right side
68,241,959.80x = 2,270,792,819,467,890 - Step 5: Solve for x
x = 2,270,792,819,467,890/68,241,959.80 - Step 6: Final answer
x = 33,275,609.70
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1.5x scale
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.