Finding the Fourth Proportional to 95,868,431.80, 143,802,647.70 and 79,925,201.80
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Solution
The fourth proportional to 95,868,431.80, 143,802,647.70 and 79,925,201.80 is: 119,887,802.70
Step by Step Solution
- Step 1: Write the proportion equation
95,868,431.80 : 143,802,647.70 = 79,925,201.80 : x - Step 2: Convert to fraction form
95,868,431.80/143,802,647.70 = 79,925,201.80/x - Step 3: Cross multiply
95,868,431.80x = 143,802,647.70 × 79,925,201.80 - Step 4: Simplify right side
95,868,431.80x = 11,493,455,636,796,804 - Step 5: Solve for x
x = 11,493,455,636,796,804/95,868,431.80 - Step 6: Final answer
x = 119,887,802.70
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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.