Finding the Fourth Proportional to 83,618,114.40, 125,427,171.60 and 82,183,223.70
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Solution
The fourth proportional to 83,618,114.40, 125,427,171.60 and 82,183,223.70 is: 123,274,835.55
Step by Step Solution
- Step 1: Write the proportion equation
83,618,114.40 : 125,427,171.60 = 82,183,223.70 : x - Step 2: Convert to fraction form
83,618,114.40/125,427,171.60 = 82,183,223.70/x - Step 3: Cross multiply
83,618,114.40x = 125,427,171.60 × 82,183,223.70 - Step 4: Simplify right side
83,618,114.40x = 10,308,009,301,661,086 - Step 5: Solve for x
x = 10,308,009,301,661,086/83,618,114.40 - Step 6: Final answer
x = 123,274,835.55
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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.