Finding the Fourth Proportional to 68,241,963.80, 102,362,945.70 and 22,183,743.80
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Solution
The fourth proportional to 68,241,963.80, 102,362,945.70 and 22,183,743.80 is: 33,275,615.70
Step by Step Solution
- Step 1: Write the proportion equation
68,241,963.80 : 102,362,945.70 = 22,183,743.80 : x - Step 2: Convert to fraction form
68,241,963.80/102,362,945.70 = 22,183,743.80/x - Step 3: Cross multiply
68,241,963.80x = 102,362,945.70 × 22,183,743.80 - Step 4: Simplify right side
68,241,963.80x = 2,270,793,362,022,112 - Step 5: Solve for x
x = 2,270,793,362,022,112/68,241,963.80 - Step 6: Final answer
x = 33,275,615.70
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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.