Finding the Fourth Proportional to 137,414,701.80, 206,122,052.70 and 115,891,341.30
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Solution
The fourth proportional to 137,414,701.80, 206,122,052.70 and 115,891,341.30 is: 173,837,011.95
Step by Step Solution
- Step 1: Write the proportion equation
137,414,701.80 : 206,122,052.70 = 115,891,341.30 : x - Step 2: Convert to fraction form
137,414,701.80/206,122,052.70 = 115,891,341.30/x - Step 3: Cross multiply
137,414,701.80x = 206,122,052.70 × 115,891,341.30 - Step 4: Simplify right side
137,414,701.80x = 23,887,761,158,912,284 - Step 5: Solve for x
x = 23,887,761,158,912,284/137,414,701.80 - Step 6: Final answer
x = 173,837,011.95
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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.