Finding the Fourth Proportional to 195,320,406.63, 269,542,456.44 and 106,012,382.87
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Solution
The fourth proportional to 195,320,406.63, 269,542,456.44 and 106,012,382.87 is: 146,297,248.63
Step by Step Solution
- Step 1: Write the proportion equation
195,320,406.63 : 269,542,456.44 = 106,012,382.87 : x - Step 2: Convert to fraction form
195,320,406.63/269,542,456.44 = 106,012,382.87/x - Step 3: Cross multiply
195,320,406.63x = 269,542,456.44 × 106,012,382.87 - Step 4: Simplify right side
195,320,406.63x = 28,574,838,091,193,212 - Step 5: Solve for x
x = 28,574,838,091,193,212/195,320,406.63 - Step 6: Final answer
x = 146,297,248.63
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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.