Finding the Fourth Proportional to 117,582,236.75, 162,272,563.56 and 70,541,072.03
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Solution
The fourth proportional to 117,582,236.75, 162,272,563.56 and 70,541,072.03 is: 97,352,124.87
Step by Step Solution
- Step 1: Write the proportion equation
117,582,236.75 : 162,272,563.56 = 70,541,072.03 : x - Step 2: Convert to fraction form
117,582,236.75/162,272,563.56 = 70,541,072.03/x - Step 3: Cross multiply
117,582,236.75x = 162,272,563.56 × 70,541,072.03 - Step 4: Simplify right side
117,582,236.75x = 11,446,880,593,767,352 - Step 5: Solve for x
x = 11,446,880,593,767,352/117,582,236.75 - Step 6: Final answer
x = 97,352,124.87
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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.