Finding the Fourth Proportional to 82,809,747.20, 114,275,966.26 and 45,133,248.99
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Solution
The fourth proportional to 82,809,747.20, 114,275,966.26 and 45,133,248.99 is: 62,283,074.31
Step by Step Solution
- Step 1: Write the proportion equation
82,809,747.20 : 114,275,966.26 = 45,133,248.99 : x - Step 2: Convert to fraction form
82,809,747.20/114,275,966.26 = 45,133,248.99/x - Step 3: Cross multiply
82,809,747.20x = 114,275,966.26 × 45,133,248.99 - Step 4: Simplify right side
82,809,747.20x = 5,157,645,638,785,420 - Step 5: Solve for x
x = 5,157,645,638,785,420/82,809,747.20 - Step 6: Final answer
x = 62,283,074.31
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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.