Finding the Fourth Proportional to 117,453,625.20, 176,180,437.80 and 31,205,343.60
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Solution
The fourth proportional to 117,453,625.20, 176,180,437.80 and 31,205,343.60 is: 46,808,015.40
Step by Step Solution
- Step 1: Write the proportion equation
117,453,625.20 : 176,180,437.80 = 31,205,343.60 : x - Step 2: Convert to fraction form
117,453,625.20/176,180,437.80 = 31,205,343.60/x - Step 3: Cross multiply
117,453,625.20x = 176,180,437.80 × 31,205,343.60 - Step 4: Simplify right side
117,453,625.20x = 5,497,771,097,147,429 - Step 5: Solve for x
x = 5,497,771,097,147,429/117,453,625.20 - Step 6: Final answer
x = 46,808,015.40
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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.