Finding the Fourth Proportional to 135,087,283.09, 186,420,610.04 and 73,207,621.65
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Solution
The fourth proportional to 135,087,283.09, 186,420,610.04 and 73,207,621.65 is: 101,026,604.25
Step by Step Solution
- Step 1: Write the proportion equation
135,087,283.09 : 186,420,610.04 = 73,207,621.65 : x - Step 2: Convert to fraction form
135,087,283.09/186,420,610.04 = 73,207,621.65/x - Step 3: Cross multiply
135,087,283.09x = 186,420,610.04 × 73,207,621.65 - Step 4: Simplify right side
135,087,283.09x = 13,647,409,487,570,512 - Step 5: Solve for x
x = 13,647,409,487,570,512/135,087,283.09 - Step 6: Final answer
x = 101,026,604.25
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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.