Finding the Fourth Proportional to 177,038,813.52, 244,313,562.74 and 103,699,955.52
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Solution
The fourth proportional to 177,038,813.52, 244,313,562.74 and 103,699,955.52 is: 143,105,938.67
Step by Step Solution
- Step 1: Write the proportion equation
177,038,813.52 : 244,313,562.74 = 103,699,955.52 : x - Step 2: Convert to fraction form
177,038,813.52/244,313,562.74 = 103,699,955.52/x - Step 3: Cross multiply
177,038,813.52x = 244,313,562.74 × 103,699,955.52 - Step 4: Simplify right side
177,038,813.52x = 25,335,305,589,070,728 - Step 5: Solve for x
x = 25,335,305,589,070,728/177,038,813.52 - Step 6: Final answer
x = 143,105,938.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.