Finding the Fourth Proportional to 137,415,077.80, 206,122,616.70 and 115,891,717.30
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Solution
The fourth proportional to 137,415,077.80, 206,122,616.70 and 115,891,717.30 is: 173,837,575.95
Step by Step Solution
- Step 1: Write the proportion equation
137,415,077.80 : 206,122,616.70 = 115,891,717.30 : x - Step 2: Convert to fraction form
137,415,077.80/206,122,616.70 = 115,891,717.30/x - Step 3: Cross multiply
137,415,077.80x = 206,122,616.70 × 115,891,717.30 - Step 4: Simplify right side
137,415,077.80x = 23,887,904,023,732,656 - Step 5: Solve for x
x = 23,887,904,023,732,656/137,415,077.80 - Step 6: Final answer
x = 173,837,575.95
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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.