Finding the Fourth Proportional to 79,961,990.86, 119,955,874.81 and 24,629,800.09
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Solution
The fourth proportional to 79,961,990.86, 119,955,874.81 and 24,629,800.09 is: 36,948,670.04
Step by Step Solution
- Step 1: Write the proportion equation
79,961,990.86 : 119,955,874.81 = 24,629,800.09 : x - Step 2: Convert to fraction form
79,961,990.86/119,955,874.81 = 24,629,800.09/x - Step 3: Cross multiply
79,961,990.86x = 119,955,874.81 × 24,629,800.09 - Step 4: Simplify right side
79,961,990.86x = 2,954,489,216,191,367 - Step 5: Solve for x
x = 2,954,489,216,191,367/79,961,990.86 - Step 6: Final answer
x = 36,948,670.04
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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.