Finding the Fourth Proportional to 82,021,488.41, 122,729,560.20 and 49,252,014.42
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Solution
The fourth proportional to 82,021,488.41, 122,729,560.20 and 49,252,014.42 is: 73,696,273.82
Step by Step Solution
- Step 1: Write the proportion equation
82,021,488.41 : 122,729,560.20 = 49,252,014.42 : x - Step 2: Convert to fraction form
82,021,488.41/122,729,560.20 = 49,252,014.42/x - Step 3: Cross multiply
82,021,488.41x = 122,729,560.20 × 49,252,014.42 - Step 4: Simplify right side
82,021,488.41x = 6,044,678,068,730,658 - Step 5: Solve for x
x = 6,044,678,068,730,658/82,021,488.41 - Step 6: Final answer
x = 73,696,273.82
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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.