Finding the Fourth Proportional to 125,420,609.80, 188,130,914.70 and 125,420,609.80
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Solution
The fourth proportional to 125,420,609.80, 188,130,914.70 and 125,420,609.80 is: 188,130,914.70
Step by Step Solution
- Step 1: Write the proportion equation
125,420,609.80 : 188,130,914.70 = 125,420,609.80 : x - Step 2: Convert to fraction form
125,420,609.80/188,130,914.70 = 125,420,609.80/x - Step 3: Cross multiply
125,420,609.80x = 188,130,914.70 × 125,420,609.80 - Step 4: Simplify right side
125,420,609.80x = 23,595,494,043,905,784 - Step 5: Solve for x
x = 23,595,494,043,905,784/125,420,609.80 - Step 6: Final answer
x = 188,130,914.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.