Finding the Fourth Proportional to 82,817,929.38, 114,289,195.95 and 48,031,244.94
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Solution
The fourth proportional to 82,817,929.38, 114,289,195.95 and 48,031,244.94 is: 66,283,380.98
Step by Step Solution
- Step 1: Write the proportion equation
82,817,929.38 : 114,289,195.95 = 48,031,244.94 : x - Step 2: Convert to fraction form
82,817,929.38/114,289,195.95 = 48,031,244.94/x - Step 3: Cross multiply
82,817,929.38x = 114,289,195.95 × 48,031,244.94 - Step 4: Simplify right side
82,817,929.38x = 5,489,452,364,670,106 - Step 5: Solve for x
x = 5,489,452,364,670,106/82,817,929.38 - Step 6: Final answer
x = 66,283,380.98
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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.