Finding the Fourth Proportional to 232,703,018.08, 321,132,331.04 and 128,284,826.08
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Solution
The fourth proportional to 232,703,018.08, 321,132,331.04 and 128,284,826.08 is: 177,034,254.12
Step by Step Solution
- Step 1: Write the proportion equation
232,703,018.08 : 321,132,331.04 = 128,284,826.08 : x - Step 2: Convert to fraction form
232,703,018.08/321,132,331.04 = 128,284,826.08/x - Step 3: Cross multiply
232,703,018.08x = 321,132,331.04 × 128,284,826.08 - Step 4: Simplify right side
232,703,018.08x = 41,196,405,236,131,384 - Step 5: Solve for x
x = 41,196,405,236,131,384/232,703,018.08 - Step 6: Final answer
x = 177,034,254.12
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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.