Finding the Fourth Proportional to 82,689,996.88, 114,118,779.12 and 47,883,294.08
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Solution
The fourth proportional to 82,689,996.88, 114,118,779.12 and 47,883,294.08 is: 66,082,758.09
Step by Step Solution
- Step 1: Write the proportion equation
82,689,996.88 : 114,118,779.12 = 47,883,294.08 : x - Step 2: Convert to fraction form
82,689,996.88/114,118,779.12 = 47,883,294.08/x - Step 3: Cross multiply
82,689,996.88x = 114,118,779.12 × 47,883,294.08 - Step 4: Simplify right side
82,689,996.88x = 5,464,383,060,653,524 - Step 5: Solve for x
x = 5,464,383,060,653,524/82,689,996.88 - Step 6: Final answer
x = 66,082,758.09
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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.