Finding the Fourth Proportional to 102,251,567.20, 153,377,350.80 and 48,503,855.20
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Solution
The fourth proportional to 102,251,567.20, 153,377,350.80 and 48,503,855.20 is: 72,755,782.80
Step by Step Solution
- Step 1: Write the proportion equation
102,251,567.20 : 153,377,350.80 = 48,503,855.20 : x - Step 2: Convert to fraction form
102,251,567.20/153,377,350.80 = 48,503,855.20/x - Step 3: Cross multiply
102,251,567.20x = 153,377,350.80 × 48,503,855.20 - Step 4: Simplify right side
102,251,567.20x = 7,439,392,814,162,805 - Step 5: Solve for x
x = 7,439,392,814,162,805/102,251,567.20 - Step 6: Final answer
x = 72,755,782.80
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Similar ratio
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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.