Finding the Fourth Proportional to 146,528,428.39, 202,209,629.06 and 80,453,206.42
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Solution
The fourth proportional to 146,528,428.39, 202,209,629.06 and 80,453,206.42 is: 111,025,643.32
Step by Step Solution
- Step 1: Write the proportion equation
146,528,428.39 : 202,209,629.06 = 80,453,206.42 : x - Step 2: Convert to fraction form
146,528,428.39/202,209,629.06 = 80,453,206.42/x - Step 3: Cross multiply
146,528,428.39x = 202,209,629.06 × 80,453,206.42 - Step 4: Simplify right side
146,528,428.39x = 16,268,413,026,571,420 - Step 5: Solve for x
x = 16,268,413,026,571,420/146,528,428.39 - Step 6: Final answer
x = 111,025,643.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.