Finding the Fourth Proportional to 330,912,441.80, 496,368,662.70 and 88,575,345.80
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Solution
The fourth proportional to 330,912,441.80, 496,368,662.70 and 88,575,345.80 is: 132,863,018.70
Step by Step Solution
- Step 1: Write the proportion equation
330,912,441.80 : 496,368,662.70 = 88,575,345.80 : x - Step 2: Convert to fraction form
330,912,441.80/496,368,662.70 = 88,575,345.80/x - Step 3: Cross multiply
330,912,441.80x = 496,368,662.70 × 88,575,345.80 - Step 4: Simplify right side
330,912,441.80x = 43,966,025,942,936,056 - Step 5: Solve for x
x = 43,966,025,942,936,056/330,912,441.80 - Step 6: Final answer
x = 132,863,018.70
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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.