Finding the Fourth Proportional to 129,480,722.20, 194,221,083.30 and 33,742,610.20
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Solution
The fourth proportional to 129,480,722.20, 194,221,083.30 and 33,742,610.20 is: 50,613,915.30
Step by Step Solution
- Step 1: Write the proportion equation
129,480,722.20 : 194,221,083.30 = 33,742,610.20 : x - Step 2: Convert to fraction form
129,480,722.20/194,221,083.30 = 33,742,610.20/x - Step 3: Cross multiply
129,480,722.20x = 194,221,083.30 × 33,742,610.20 - Step 4: Simplify right side
129,480,722.20x = 6,553,526,306,413,631 - Step 5: Solve for x
x = 6,553,526,306,413,631/129,480,722.20 - Step 6: Final answer
x = 50,613,915.30
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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.