Finding the Fourth Proportional to 137,415,093.30, 206,122,639.95 and 115,891,732.80
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Solution
The fourth proportional to 137,415,093.30, 206,122,639.95 and 115,891,732.80 is: 173,837,599.20
Step by Step Solution
- Step 1: Write the proportion equation
137,415,093.30 : 206,122,639.95 = 115,891,732.80 : x - Step 2: Convert to fraction form
137,415,093.30/206,122,639.95 = 115,891,732.80/x - Step 3: Cross multiply
137,415,093.30x = 206,122,639.95 × 115,891,732.80 - Step 4: Simplify right side
137,415,093.30x = 23,887,909,913,116,004 - Step 5: Solve for x
x = 23,887,909,913,116,004/137,415,093.30 - Step 6: Final answer
x = 173,837,599.20
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.