Finding the Fourth Proportional to 122,411,436.40, 183,617,154.60 and 115,396,415.20
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Solution
The fourth proportional to 122,411,436.40, 183,617,154.60 and 115,396,415.20 is: 173,094,622.80
Step by Step Solution
- Step 1: Write the proportion equation
122,411,436.40 : 183,617,154.60 = 115,396,415.20 : x - Step 2: Convert to fraction form
122,411,436.40/183,617,154.60 = 115,396,415.20/x - Step 3: Cross multiply
122,411,436.40x = 183,617,154.60 × 115,396,415.20 - Step 4: Simplify right side
122,411,436.40x = 21,188,761,410,064,188 - Step 5: Solve for x
x = 21,188,761,410,064,188/122,411,436.40 - Step 6: Final answer
x = 173,094,622.80
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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.