Finding the Fourth Proportional to 234,205,556.28, 323,205,581.34 and 129,785,371.80
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Solution
The fourth proportional to 234,205,556.28, 323,205,581.34 and 129,785,371.80 is: 179,104,873.55
Step by Step Solution
- Step 1: Write the proportion equation
234,205,556.28 : 323,205,581.34 = 129,785,371.80 : x - Step 2: Convert to fraction form
234,205,556.28/323,205,581.34 = 129,785,371.80/x - Step 3: Cross multiply
234,205,556.28x = 323,205,581.34 × 129,785,371.80 - Step 4: Simplify right side
234,205,556.28x = 41,947,356,542,047,040 - Step 5: Solve for x
x = 41,947,356,542,047,040/234,205,556.28 - Step 6: Final answer
x = 179,104,873.55
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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.