Finding the Fourth Proportional to 119,115,101.99, 164,383,782.66 and 66,191,612.03
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Solution
The fourth proportional to 119,115,101.99, 164,383,782.66 and 66,191,612.03 is: 91,347,170.80
Step by Step Solution
- Step 1: Write the proportion equation
119,115,101.99 : 164,383,782.66 = 66,191,612.03 : x - Step 2: Convert to fraction form
119,115,101.99/164,383,782.66 = 66,191,612.03/x - Step 3: Cross multiply
119,115,101.99x = 164,383,782.66 × 66,191,612.03 - Step 4: Simplify right side
119,115,101.99x = 10,880,827,565,854,562 - Step 5: Solve for x
x = 10,880,827,565,854,562/119,115,101.99 - Step 6: Final answer
x = 91,347,170.80
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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.