Finding the Fourth Proportional to 61,853,181.97, 85,352,413.29 and 35,749,390.54
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Solution
The fourth proportional to 61,853,181.97, 85,352,413.29 and 35,749,390.54 is: 49,331,281.90
Step by Step Solution
- Step 1: Write the proportion equation
61,853,181.97 : 85,352,413.29 = 35,749,390.54 : x - Step 2: Convert to fraction form
61,853,181.97/85,352,413.29 = 35,749,390.54/x - Step 3: Cross multiply
61,853,181.97x = 85,352,413.29 × 35,749,390.54 - Step 4: Simplify right side
61,853,181.97x = 3,051,296,756,235,696.50 - Step 5: Solve for x
x = 3,051,296,756,235,696.50/61,853,181.97 - Step 6: Final answer
x = 49,331,281.90
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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.