Finding the Fourth Proportional to 149,765,057.82, 206,696,311.11 and 86,184,090.36
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Solution
The fourth proportional to 149,765,057.82, 206,696,311.11 and 86,184,090.36 is: 118,945,859.69
Step by Step Solution
- Step 1: Write the proportion equation
149,765,057.82 : 206,696,311.11 = 86,184,090.36 : x - Step 2: Convert to fraction form
149,765,057.82/206,696,311.11 = 86,184,090.36/x - Step 3: Cross multiply
149,765,057.82x = 206,696,311.11 × 86,184,090.36 - Step 4: Simplify right side
149,765,057.82x = 17,813,933,553,782,914 - Step 5: Solve for x
x = 17,813,933,553,782,914/149,765,057.82 - Step 6: Final answer
x = 118,945,859.69
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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.