Finding the Fourth Proportional to 68,431,392, 102,647,219.76 and 16,615,776.24
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Solution
The fourth proportional to 68,431,392, 102,647,219.76 and 16,615,776.24 is: 24,923,696.35
Step by Step Solution
- Step 1: Write the proportion equation
68,431,392 : 102,647,219.76 = 16,615,776.24 : x - Step 2: Convert to fraction form
68,431,392/102,647,219.76 = 16,615,776.24/x - Step 3: Cross multiply
68,431,392x = 102,647,219.76 × 16,615,776.24 - Step 4: Simplify right side
68,431,392x = 1,705,563,235,190,266.50 - Step 5: Solve for x
x = 1,705,563,235,190,266.50/68,431,392 - Step 6: Final answer
x = 24,923,696.35
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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.