Finding the Fourth Proportional to 326,320,165.70, 489,480,248.55 and 110,909,413.70
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Solution
The fourth proportional to 326,320,165.70, 489,480,248.55 and 110,909,413.70 is: 166,364,120.55
Step by Step Solution
- Step 1: Write the proportion equation
326,320,165.70 : 489,480,248.55 = 110,909,413.70 : x - Step 2: Convert to fraction form
326,320,165.70/489,480,248.55 = 110,909,413.70/x - Step 3: Cross multiply
326,320,165.70x = 489,480,248.55 × 110,909,413.70 - Step 4: Simplify right side
326,320,165.70x = 54,287,967,384,410,776 - Step 5: Solve for x
x = 54,287,967,384,410,776/326,320,165.70 - Step 6: Final answer
x = 166,364,120.55
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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.