Finding the Fourth Proportional to 135,087,259, 186,420,576.87 and 73,207,597.56
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Solution
The fourth proportional to 135,087,259, 186,420,576.87 and 73,207,597.56 is: 101,026,571.04
Step by Step Solution
- Step 1: Write the proportion equation
135,087,259 : 186,420,576.87 = 73,207,597.56 : x - Step 2: Convert to fraction form
135,087,259/186,420,576.87 = 73,207,597.56/x - Step 3: Cross multiply
135,087,259x = 186,420,576.87 × 73,207,597.56 - Step 4: Simplify right side
135,087,259x = 13,647,402,568,402,006 - Step 5: Solve for x
x = 13,647,402,568,402,006/135,087,259 - Step 6: Final answer
x = 101,026,571.04
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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.