Finding the Fourth Proportional to 175,507,749.70, 263,261,624.55 and 124,489,413.70
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Solution
The fourth proportional to 175,507,749.70, 263,261,624.55 and 124,489,413.70 is: 186,734,120.55
Step by Step Solution
- Step 1: Write the proportion equation
175,507,749.70 : 263,261,624.55 = 124,489,413.70 : x - Step 2: Convert to fraction form
175,507,749.70/263,261,624.55 = 124,489,413.70/x - Step 3: Cross multiply
175,507,749.70x = 263,261,624.55 × 124,489,413.70 - Step 4: Simplify right side
175,507,749.70x = 32,773,285,289,939,028 - Step 5: Solve for x
x = 32,773,285,289,939,028/175,507,749.70 - Step 6: Final answer
x = 186,734,120.55
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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.