Finding the Fourth Proportional to 180,116,379.12, 248,560,815.69 and 97,610,163.87
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Solution
The fourth proportional to 180,116,379.12, 248,560,815.69 and 97,610,163.87 is: 134,702,141.30
Step by Step Solution
- Step 1: Write the proportion equation
180,116,379.12 : 248,560,815.69 = 97,610,163.87 : x - Step 2: Convert to fraction form
180,116,379.12/248,560,815.69 = 97,610,163.87/x - Step 3: Cross multiply
180,116,379.12x = 248,560,815.69 × 97,610,163.87 - Step 4: Simplify right side
180,116,379.12x = 24,262,061,951,161,768 - Step 5: Solve for x
x = 24,262,061,951,161,768/180,116,379.12 - Step 6: Final answer
x = 134,702,141.30
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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.