Finding the Fourth Proportional to 44,289,813.70, 66,434,720.55 and 40,038,285.70
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Solution
The fourth proportional to 44,289,813.70, 66,434,720.55 and 40,038,285.70 is: 60,057,428.55
Step by Step Solution
- Step 1: Write the proportion equation
44,289,813.70 : 66,434,720.55 = 40,038,285.70 : x - Step 2: Convert to fraction form
44,289,813.70/66,434,720.55 = 40,038,285.70/x - Step 3: Cross multiply
44,289,813.70x = 66,434,720.55 × 40,038,285.70 - Step 4: Simplify right side
44,289,813.70x = 2,659,932,321,780,561 - Step 5: Solve for x
x = 2,659,932,321,780,561/44,289,813.70 - Step 6: Final answer
x = 60,057,428.55
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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.