Finding the Fourth Proportional to 151,274,396.70, 226,911,595.05 and 129,751,036.20
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Solution
The fourth proportional to 151,274,396.70, 226,911,595.05 and 129,751,036.20 is: 194,626,554.30
Step by Step Solution
- Step 1: Write the proportion equation
151,274,396.70 : 226,911,595.05 = 129,751,036.20 : x - Step 2: Convert to fraction form
151,274,396.70/226,911,595.05 = 129,751,036.20/x - Step 3: Cross multiply
151,274,396.70x = 226,911,595.05 × 129,751,036.20 - Step 4: Simplify right side
151,274,396.70x = 29,442,014,583,532,292 - Step 5: Solve for x
x = 29,442,014,583,532,292/151,274,396.70 - Step 6: Final answer
x = 194,626,554.30
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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.