Finding the Fourth Proportional to 137,901,540.60, 206,852,310.90 and 97,086,871.80
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Solution
The fourth proportional to 137,901,540.60, 206,852,310.90 and 97,086,871.80 is: 145,630,307.70
Step by Step Solution
- Step 1: Write the proportion equation
137,901,540.60 : 206,852,310.90 = 97,086,871.80 : x - Step 2: Convert to fraction form
137,901,540.60/206,852,310.90 = 97,086,871.80/x - Step 3: Cross multiply
137,901,540.60x = 206,852,310.90 × 97,086,871.80 - Step 4: Simplify right side
137,901,540.60x = 20,082,643,789,882,044 - Step 5: Solve for x
x = 20,082,643,789,882,044/137,901,540.60 - Step 6: Final answer
x = 145,630,307.70
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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.