Finding the Fourth Proportional to 129,395,563.36, 194,028,441.24 and 43,103,632.48
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Solution
The fourth proportional to 129,395,563.36, 194,028,441.24 and 43,103,632.48 is: 64,633,828.28
Step by Step Solution
- Step 1: Write the proportion equation
129,395,563.36 : 194,028,441.24 = 43,103,632.48 : x - Step 2: Convert to fraction form
129,395,563.36/194,028,441.24 = 43,103,632.48/x - Step 3: Cross multiply
129,395,563.36x = 194,028,441.24 × 43,103,632.48 - Step 4: Simplify right side
129,395,563.36x = 8,363,330,621,876,235 - Step 5: Solve for x
x = 8,363,330,621,876,235/129,395,563.36 - Step 6: Final answer
x = 64,633,828.28
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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.