Finding the Fourth Proportional to 268,380,042.02, 402,525,218.58 and 74,311,074.84
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Solution
The fourth proportional to 268,380,042.02, 402,525,218.58 and 74,311,074.84 is: 111,454,195.39
Step by Step Solution
- Step 1: Write the proportion equation
268,380,042.02 : 402,525,218.58 = 74,311,074.84 : x - Step 2: Convert to fraction form
268,380,042.02/402,525,218.58 = 74,311,074.84/x - Step 3: Cross multiply
268,380,042.02x = 402,525,218.58 × 74,311,074.84 - Step 4: Simplify right side
268,380,042.02x = 29,912,081,642,885,740 - Step 5: Solve for x
x = 29,912,081,642,885,740/268,380,042.02 - Step 6: Final answer
x = 111,454,195.39
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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.