Finding the Fourth Proportional to 56,163,609.20, 84,245,413.80 and 52,384,473.20
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Solution
The fourth proportional to 56,163,609.20, 84,245,413.80 and 52,384,473.20 is: 78,576,709.80
Step by Step Solution
- Step 1: Write the proportion equation
56,163,609.20 : 84,245,413.80 = 52,384,473.20 : x - Step 2: Convert to fraction form
56,163,609.20/84,245,413.80 = 52,384,473.20/x - Step 3: Cross multiply
56,163,609.20x = 84,245,413.80 × 52,384,473.20 - Step 4: Simplify right side
56,163,609.20x = 4,413,151,621,429,010.50 - Step 5: Solve for x
x = 4,413,151,621,429,010.50/56,163,609.20 - Step 6: Final answer
x = 78,576,709.80
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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.