Finding the Fourth Proportional to 173,347,741.58, 239,010,701.81 and 149,783,691.38
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Solution
The fourth proportional to 173,347,741.58, 239,010,701.81 and 149,783,691.38 is: 206,520,747.66
Step by Step Solution
- Step 1: Write the proportion equation
173,347,741.58 : 239,010,701.81 = 149,783,691.38 : x - Step 2: Convert to fraction form
173,347,741.58/239,010,701.81 = 149,783,691.38/x - Step 3: Cross multiply
173,347,741.58x = 239,010,701.81 × 149,783,691.38 - Step 4: Simplify right side
173,347,741.58x = 35,799,905,194,482,276 - Step 5: Solve for x
x = 35,799,905,194,482,276/173,347,741.58 - Step 6: Final answer
x = 206,520,747.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.