Finding the Fourth Proportional to 75,251,014.20, 112,876,521.30 and 24,138,199.80
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Solution
The fourth proportional to 75,251,014.20, 112,876,521.30 and 24,138,199.80 is: 36,207,299.70
Step by Step Solution
- Step 1: Write the proportion equation
75,251,014.20 : 112,876,521.30 = 24,138,199.80 : x - Step 2: Convert to fraction form
75,251,014.20/112,876,521.30 = 24,138,199.80/x - Step 3: Cross multiply
75,251,014.20x = 112,876,521.30 × 24,138,199.80 - Step 4: Simplify right side
75,251,014.20x = 2,724,636,023,868,356 - Step 5: Solve for x
x = 2,724,636,023,868,356/75,251,014.20 - Step 6: Final answer
x = 36,207,299.70
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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.