Finding the Fourth Proportional to 220,608,239.20, 330,912,358.80 and 59,050,175.20
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Solution
The fourth proportional to 220,608,239.20, 330,912,358.80 and 59,050,175.20 is: 88,575,262.80
Step by Step Solution
- Step 1: Write the proportion equation
220,608,239.20 : 330,912,358.80 = 59,050,175.20 : x - Step 2: Convert to fraction form
220,608,239.20/330,912,358.80 = 59,050,175.20/x - Step 3: Cross multiply
220,608,239.20x = 330,912,358.80 × 59,050,175.20 - Step 4: Simplify right side
220,608,239.20x = 19,540,432,762,985,264 - Step 5: Solve for x
x = 19,540,432,762,985,264/220,608,239.20 - Step 6: Final answer
x = 88,575,262.80
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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.