Finding the Fourth Proportional to 119,815,078,060.43, 165,350,005,216.30 and 66,351,050,578.44
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Solution
The fourth proportional to 119,815,078,060.43, 165,350,005,216.30 and 66,351,050,578.44 is: 91,567,328,059.65
Step by Step Solution
- Step 1: Write the proportion equation
119,815,078,060.43 : 165,350,005,216.30 = 66,351,050,578.44 : x - Step 2: Convert to fraction form
119,815,078,060.43/165,350,005,216.30 = 66,351,050,578.44/x - Step 3: Cross multiply
119,815,078,060.43x = 165,350,005,216.30 × 66,351,050,578.44 - Step 4: Simplify right side
119,815,078,060.43x = 10,971,146,559,252,038,942,720 - Step 5: Solve for x
x = 10,971,146,559,252,038,942,720/119,815,078,060.43 - Step 6: Final answer
x = 91,567,328,059.65
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1.5x scale
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.