Finding the Fourth Proportional to 83,612,517.60, 115,387,101.99 and 45,936,167.07
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Solution
The fourth proportional to 83,612,517.60, 115,387,101.99 and 45,936,167.07 is: 63,392,914.68
Step by Step Solution
- Step 1: Write the proportion equation
83,612,517.60 : 115,387,101.99 = 45,936,167.07 : x - Step 2: Convert to fraction form
83,612,517.60/115,387,101.99 = 45,936,167.07/x - Step 3: Cross multiply
83,612,517.60x = 115,387,101.99 × 45,936,167.07 - Step 4: Simplify right side
83,612,517.60x = 5,300,441,194,735,769 - Step 5: Solve for x
x = 5,300,441,194,735,769/83,612,517.60 - Step 6: Final answer
x = 63,392,914.68
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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.