Finding the Fourth Proportional to 102,764,809.97, 141,815,286 and 55,721,797.96
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Solution
The fourth proportional to 102,764,809.97, 141,815,286 and 55,721,797.96 is: 76,895,998.90
Step by Step Solution
- Step 1: Write the proportion equation
102,764,809.97 : 141,815,286 = 55,721,797.96 : x - Step 2: Convert to fraction form
102,764,809.97/141,815,286 = 55,721,797.96/x - Step 3: Cross multiply
102,764,809.97x = 141,815,286 × 55,721,797.96 - Step 4: Simplify right side
102,764,809.97x = 7,902,202,714,131,617 - Step 5: Solve for x
x = 7,902,202,714,131,617/102,764,809.97 - Step 6: Final answer
x = 76,895,998.90
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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.