Finding the Fourth Proportional to 135,087,284.09, 186,420,611.42 and 73,207,622.65
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Solution
The fourth proportional to 135,087,284.09, 186,420,611.42 and 73,207,622.65 is: 101,026,605.63
Step by Step Solution
- Step 1: Write the proportion equation
135,087,284.09 : 186,420,611.42 = 73,207,622.65 : x - Step 2: Convert to fraction form
135,087,284.09/186,420,611.42 = 73,207,622.65/x - Step 3: Cross multiply
135,087,284.09x = 186,420,611.42 × 73,207,622.65 - Step 4: Simplify right side
135,087,284.09x = 13,647,409,775,017,640 - Step 5: Solve for x
x = 13,647,409,775,017,640/135,087,284.09 - Step 6: Final answer
x = 101,026,605.63
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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.