Finding the Fourth Proportional to 127,702,571.88, 176,229,542.44 and 68,965,231.34
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Solution
The fourth proportional to 127,702,571.88, 176,229,542.44 and 68,965,231.34 is: 95,172,015.60
Step by Step Solution
- Step 1: Write the proportion equation
127,702,571.88 : 176,229,542.44 = 68,965,231.34 : x - Step 2: Convert to fraction form
127,702,571.88/176,229,542.44 = 68,965,231.34/x - Step 3: Cross multiply
127,702,571.88x = 176,229,542.44 × 68,965,231.34 - Step 4: Simplify right side
127,702,571.88x = 12,153,711,163,316,948 - Step 5: Solve for x
x = 12,153,711,163,316,948/127,702,571.88 - Step 6: Final answer
x = 95,172,015.60
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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.