Finding the Fourth Proportional to 119,135,169.51, 164,388,636.16 and 66,914,202.21
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Solution
The fourth proportional to 119,135,169.51, 164,388,636.16 and 66,914,202.21 is: 92,331,546.48
Step by Step Solution
- Step 1: Write the proportion equation
119,135,169.51 : 164,388,636.16 = 66,914,202.21 : x - Step 2: Convert to fraction form
119,135,169.51/164,388,636.16 = 66,914,202.21/x - Step 3: Cross multiply
119,135,169.51x = 164,388,636.16 × 66,914,202.21 - Step 4: Simplify right side
119,135,169.51x = 10,999,934,441,036,358 - Step 5: Solve for x
x = 10,999,934,441,036,358/119,135,169.51 - Step 6: Final answer
x = 92,331,546.48
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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.