Finding the Fourth Proportional to 68,540,202,005.70, 102,616,811,245.35 and 68,540,202,005.70
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Solution
The fourth proportional to 68,540,202,005.70, 102,616,811,245.35 and 68,540,202,005.70 is: 102,616,811,245.35
Step by Step Solution
- Step 1: Write the proportion equation
68,540,202,005.70 : 102,616,811,245.35 = 68,540,202,005.70 : x - Step 2: Convert to fraction form
68,540,202,005.70/102,616,811,245.35 = 68,540,202,005.70/x - Step 3: Cross multiply
68,540,202,005.70x = 102,616,811,245.35 × 68,540,202,005.70 - Step 4: Simplify right side
68,540,202,005.70x = 7,033,376,971,937,076,477,952 - Step 5: Solve for x
x = 7,033,376,971,937,076,477,952/68,540,202,005.70 - Step 6: Final answer
x = 102,616,811,245.35
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1.5x scale
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.