Finding the Fourth Proportional to 80,028,100.97, 110,404,961.68 and 53,574,976.99
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Solution
The fourth proportional to 80,028,100.97, 110,404,961.68 and 53,574,976.99 is: 73,910,828.95
Step by Step Solution
- Step 1: Write the proportion equation
80,028,100.97 : 110,404,961.68 = 53,574,976.99 : x - Step 2: Convert to fraction form
80,028,100.97/110,404,961.68 = 53,574,976.99/x - Step 3: Cross multiply
80,028,100.97x = 110,404,961.68 × 53,574,976.99 - Step 4: Simplify right side
80,028,100.97x = 5,914,943,281,587,832 - Step 5: Solve for x
x = 5,914,943,281,587,832/80,028,100.97 - Step 6: Final answer
x = 73,910,828.95
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1.5x scale
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.