Finding the Fourth Proportional to 137,965,692.77, 207,034,695.66 and 91,939,857.44
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Solution
The fourth proportional to 137,965,692.77, 207,034,695.66 and 91,939,857.44 is: 137,967,200.55
Step by Step Solution
- Step 1: Write the proportion equation
137,965,692.77 : 207,034,695.66 = 91,939,857.44 : x - Step 2: Convert to fraction form
137,965,692.77/207,034,695.66 = 91,939,857.44/x - Step 3: Cross multiply
137,965,692.77x = 207,034,695.66 × 91,939,857.44 - Step 4: Simplify right side
137,965,692.77x = 19,034,740,403,079,012 - Step 5: Solve for x
x = 19,034,740,403,079,012/137,965,692.77 - Step 6: Final answer
x = 137,967,200.55
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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.