Finding the Fourth Proportional to 68,109,137.26, 102,074,990.37 and 27,672,347.50
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Solution
The fourth proportional to 68,109,137.26, 102,074,990.37 and 27,672,347.50 is: 41,472,476.65
Step by Step Solution
- Step 1: Write the proportion equation
68,109,137.26 : 102,074,990.37 = 27,672,347.50 : x - Step 2: Convert to fraction form
68,109,137.26/102,074,990.37 = 27,672,347.50/x - Step 3: Cross multiply
68,109,137.26x = 102,074,990.37 × 27,672,347.50 - Step 4: Simplify right side
68,109,137.26x = 2,824,654,604,577,793.50 - Step 5: Solve for x
x = 2,824,654,604,577,793.50/68,109,137.26 - Step 6: Final answer
x = 41,472,476.65
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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.