Finding the Fourth Proportional to 115,986,872.09, 160,060,758.19 and 63,063,579.05
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Solution
The fourth proportional to 115,986,872.09, 160,060,758.19 and 63,063,579.05 is: 87,027,127.26
Step by Step Solution
- Step 1: Write the proportion equation
115,986,872.09 : 160,060,758.19 = 63,063,579.05 : x - Step 2: Convert to fraction form
115,986,872.09/160,060,758.19 = 63,063,579.05/x - Step 3: Cross multiply
115,986,872.09x = 160,060,758.19 × 63,063,579.05 - Step 4: Simplify right side
115,986,872.09x = 10,094,004,277,815,654 - Step 5: Solve for x
x = 10,094,004,277,815,654/115,986,872.09 - Step 6: Final answer
x = 87,027,127.26
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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.