Finding the Fourth Proportional to 78,319,170,046.95, 117,478,608,438.62 and 24,540,422,650.04
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Solution
The fourth proportional to 78,319,170,046.95, 117,478,608,438.62 and 24,540,422,650.04 is: 36,810,588,029.65
Step by Step Solution
- Step 1: Write the proportion equation
78,319,170,046.95 : 117,478,608,438.62 = 24,540,422,650.04 : x - Step 2: Convert to fraction form
78,319,170,046.95/117,478,608,438.62 = 24,540,422,650.04/x - Step 3: Cross multiply
78,319,170,046.95x = 117,478,608,438.62 × 24,540,422,650.04 - Step 4: Simplify right side
78,319,170,046.95x = 2,882,974,703,422,290,264,064 - Step 5: Solve for x
x = 2,882,974,703,422,290,264,064/78,319,170,046.95 - Step 6: Final answer
x = 36,810,588,029.65
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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.