Finding the Fourth Proportional to 49,903,625.20, 74,844,940.20 and 21,150,698.80
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Solution
The fourth proportional to 49,903,625.20, 74,844,940.20 and 21,150,698.80 is: 31,721,598.99
Step by Step Solution
- Step 1: Write the proportion equation
49,903,625.20 : 74,844,940.20 = 21,150,698.80 : x - Step 2: Convert to fraction form
49,903,625.20/74,844,940.20 = 21,150,698.80/x - Step 3: Cross multiply
49,903,625.20x = 74,844,940.20 × 21,150,698.80 - Step 4: Simplify right side
49,903,625.20x = 1,583,022,786,874,212 - Step 5: Solve for x
x = 1,583,022,786,874,212/49,903,625.20 - Step 6: Final answer
x = 31,721,598.99
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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.