Finding the Fourth Proportional to 82,944,665.90, 124,416,998.85 and 73,202,893.10
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Solution
The fourth proportional to 82,944,665.90, 124,416,998.85 and 73,202,893.10 is: 109,804,339.65
Step by Step Solution
- Step 1: Write the proportion equation
82,944,665.90 : 124,416,998.85 = 73,202,893.10 : x - Step 2: Convert to fraction form
82,944,665.90/124,416,998.85 = 73,202,893.10/x - Step 3: Cross multiply
82,944,665.90x = 124,416,998.85 × 73,202,893.10 - Step 4: Simplify right side
82,944,665.90x = 9,107,684,266,639,372 - Step 5: Solve for x
x = 9,107,684,266,639,372/82,944,665.90 - Step 6: Final answer
x = 109,804,339.65
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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.