Finding the Fourth Proportional to 166,617,805.75, 229,718,913.98 and 129,384,918.07
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Solution
The fourth proportional to 166,617,805.75, 229,718,913.98 and 129,384,918.07 is: 178,385,273.59
Step by Step Solution
- Step 1: Write the proportion equation
166,617,805.75 : 229,718,913.98 = 129,384,918.07 : x - Step 2: Convert to fraction form
166,617,805.75/229,718,913.98 = 129,384,918.07/x - Step 3: Cross multiply
166,617,805.75x = 229,718,913.98 × 129,384,918.07 - Step 4: Simplify right side
166,617,805.75x = 29,722,162,863,210,452 - Step 5: Solve for x
x = 29,722,162,863,210,452/166,617,805.75 - Step 6: Final answer
x = 178,385,273.59
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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.