Finding the Fourth Proportional to 82,855,450.05, 124,278,681.96 and 25,347,726.15
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Solution
The fourth proportional to 82,855,450.05, 124,278,681.96 and 25,347,726.15 is: 38,020,214.66
Step by Step Solution
- Step 1: Write the proportion equation
82,855,450.05 : 124,278,681.96 = 25,347,726.15 : x - Step 2: Convert to fraction form
82,855,450.05/124,278,681.96 = 25,347,726.15/x - Step 3: Cross multiply
82,855,450.05x = 124,278,681.96 × 25,347,726.15 - Step 4: Simplify right side
82,855,450.05x = 3,150,181,996,605,025 - Step 5: Solve for x
x = 3,150,181,996,605,025/82,855,450.05 - Step 6: Final answer
x = 38,020,214.66
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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.