Finding the Fourth Proportional to 147,190,569.87, 220,785,059.79 and 84,901,512.09
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Solution
The fourth proportional to 147,190,569.87, 220,785,059.79 and 84,901,512.09 is: 127,351,809.56
Step by Step Solution
- Step 1: Write the proportion equation
147,190,569.87 : 220,785,059.79 = 84,901,512.09 : x - Step 2: Convert to fraction form
147,190,569.87/220,785,059.79 = 84,901,512.09/x - Step 3: Cross multiply
147,190,569.87x = 220,785,059.79 × 84,901,512.09 - Step 4: Simplify right side
147,190,569.87x = 18,744,985,423,052,056 - Step 5: Solve for x
x = 18,744,985,423,052,056/147,190,569.87 - Step 6: Final answer
x = 127,351,809.56
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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.