Finding the Fourth Proportional to 101,163,453.20, 151,745,413.08 and 58,312,716.56
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Solution
The fourth proportional to 101,163,453.20, 151,745,413.08 and 58,312,716.56 is: 87,469,209.31
Step by Step Solution
- Step 1: Write the proportion equation
101,163,453.20 : 151,745,413.08 = 58,312,716.56 : x - Step 2: Convert to fraction form
101,163,453.20/151,745,413.08 = 58,312,716.56/x - Step 3: Cross multiply
101,163,453.20x = 151,745,413.08 × 58,312,716.56 - Step 4: Simplify right side
101,163,453.20x = 8,848,687,262,214,158 - Step 5: Solve for x
x = 8,848,687,262,214,158/101,163,453.20 - Step 6: Final answer
x = 87,469,209.31
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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.