Finding the Fourth Proportional to 60,890,872.15, 83,948,116.26 and 48,373,458.99
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Solution
The fourth proportional to 60,890,872.15, 83,948,116.26 and 48,373,458.99 is: 66,690,796.43
Step by Step Solution
- Step 1: Write the proportion equation
60,890,872.15 : 83,948,116.26 = 48,373,458.99 : x - Step 2: Convert to fraction form
60,890,872.15/83,948,116.26 = 48,373,458.99/x - Step 3: Cross multiply
60,890,872.15x = 83,948,116.26 × 48,373,458.99 - Step 4: Simplify right side
60,890,872.15x = 4,060,860,759,190,862.50 - Step 5: Solve for x
x = 4,060,860,759,190,862.50/60,890,872.15 - Step 6: Final answer
x = 66,690,796.43
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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.