Finding the Fourth Proportional to 96,776,010.60, 145,164,015.90 and 48,403,069.80
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Solution
The fourth proportional to 96,776,010.60, 145,164,015.90 and 48,403,069.80 is: 72,604,604.70
Step by Step Solution
- Step 1: Write the proportion equation
96,776,010.60 : 145,164,015.90 = 48,403,069.80 : x - Step 2: Convert to fraction form
96,776,010.60/145,164,015.90 = 48,403,069.80/x - Step 3: Cross multiply
96,776,010.60x = 145,164,015.90 × 48,403,069.80 - Step 4: Simplify right side
96,776,010.60x = 7,026,383,994,056,010 - Step 5: Solve for x
x = 7,026,383,994,056,010/96,776,010.60 - Step 6: Final answer
x = 72,604,604.70
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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.