Finding the Fourth Proportional to 82,563,320.18, 113,930,643.11 and 48,610,519.98
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Solution
The fourth proportional to 82,563,320.18, 113,930,643.11 and 48,610,519.98 is: 67,078,550.03
Step by Step Solution
- Step 1: Write the proportion equation
82,563,320.18 : 113,930,643.11 = 48,610,519.98 : x - Step 2: Convert to fraction form
82,563,320.18/113,930,643.11 = 48,610,519.98/x - Step 3: Cross multiply
82,563,320.18x = 113,930,643.11 × 48,610,519.98 - Step 4: Simplify right side
82,563,320.18x = 5,538,227,802,989,852 - Step 5: Solve for x
x = 5,538,227,802,989,852/82,563,320.18 - Step 6: Final answer
x = 67,078,550.03
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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.