Finding the Fourth Proportional to 125,476,437.22, 173,170,975.89 and 75,944,069.98
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Solution
The fourth proportional to 125,476,437.22, 173,170,975.89 and 75,944,069.98 is: 104,810,982.87
Step by Step Solution
- Step 1: Write the proportion equation
125,476,437.22 : 173,170,975.89 = 75,944,069.98 : x - Step 2: Convert to fraction form
125,476,437.22/173,170,975.89 = 75,944,069.98/x - Step 3: Cross multiply
125,476,437.22x = 173,170,975.89 × 75,944,069.98 - Step 4: Simplify right side
125,476,437.22x = 13,151,308,711,495,052 - Step 5: Solve for x
x = 13,151,308,711,495,052/125,476,437.22 - Step 6: Final answer
x = 104,810,982.87
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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.