Finding the Fourth Proportional to 204,731,779.96, 307,097,670.84 and 68,417,163.46
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Solution
The fourth proportional to 204,731,779.96, 307,097,670.84 and 68,417,163.46 is: 102,625,745.49
Step by Step Solution
- Step 1: Write the proportion equation
204,731,779.96 : 307,097,670.84 = 68,417,163.46 : x - Step 2: Convert to fraction form
204,731,779.96/307,097,670.84 = 68,417,163.46/x - Step 3: Cross multiply
204,731,779.96x = 307,097,670.84 × 68,417,163.46 - Step 4: Simplify right side
204,731,779.96x = 21,010,751,544,045,552 - Step 5: Solve for x
x = 21,010,751,544,045,552/204,731,779.96 - Step 6: Final answer
x = 102,625,745.49
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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.