Finding the Fourth Proportional to 82,737,395.82, 124,019,882.21 and 46,292,353.02
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Solution
The fourth proportional to 82,737,395.82, 124,019,882.21 and 46,292,353.02 is: 69,390,293.37
Step by Step Solution
- Step 1: Write the proportion equation
82,737,395.82 : 124,019,882.21 = 46,292,353.02 : x - Step 2: Convert to fraction form
82,737,395.82/124,019,882.21 = 46,292,353.02/x - Step 3: Cross multiply
82,737,395.82x = 124,019,882.21 × 46,292,353.02 - Step 4: Simplify right side
82,737,395.82x = 5,741,172,168,764,138 - Step 5: Solve for x
x = 5,741,172,168,764,138/82,737,395.82 - Step 6: Final answer
x = 69,390,293.37
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.