Finding the Fourth Proportional to 135,040,124.62, 186,355,566.98 and 73,160,461.36
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Solution
The fourth proportional to 135,040,124.62, 186,355,566.98 and 73,160,461.36 is: 100,961,542.32
Step by Step Solution
- Step 1: Write the proportion equation
135,040,124.62 : 186,355,566.98 = 73,160,461.36 : x - Step 2: Convert to fraction form
135,040,124.62/186,355,566.98 = 73,160,461.36/x - Step 3: Cross multiply
135,040,124.62x = 186,355,566.98 × 73,160,461.36 - Step 4: Simplify right side
135,040,124.62x = 13,633,859,257,261,180 - Step 5: Solve for x
x = 13,633,859,257,261,180/135,040,124.62 - Step 6: Final answer
x = 100,961,542.32
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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.