Finding the Fourth Proportional to 129,034,258.80, 193,551,388.20 and 113,917,714.80
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Solution
The fourth proportional to 129,034,258.80, 193,551,388.20 and 113,917,714.80 is: 170,876,572.20
Step by Step Solution
- Step 1: Write the proportion equation
129,034,258.80 : 193,551,388.20 = 113,917,714.80 : x - Step 2: Convert to fraction form
129,034,258.80/193,551,388.20 = 113,917,714.80/x - Step 3: Cross multiply
129,034,258.80x = 193,551,388.20 × 113,917,714.80 - Step 4: Simplify right side
129,034,258.80x = 22,048,931,840,111,684 - Step 5: Solve for x
x = 22,048,931,840,111,684/129,034,258.80 - Step 6: Final answer
x = 170,876,572.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.