Finding the Fourth Proportional to 79,992,920.14, 119,989,380.22 and 22,485,191.31
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Solution
The fourth proportional to 79,992,920.14, 119,989,380.22 and 22,485,191.31 is: 33,727,786.97
Step by Step Solution
- Step 1: Write the proportion equation
79,992,920.14 : 119,989,380.22 = 22,485,191.31 : x - Step 2: Convert to fraction form
79,992,920.14/119,989,380.22 = 22,485,191.31/x - Step 3: Cross multiply
79,992,920.14x = 119,989,380.22 × 22,485,191.31 - Step 4: Simplify right side
79,992,920.14x = 2,697,984,169,358,817 - Step 5: Solve for x
x = 2,697,984,169,358,817/79,992,920.14 - Step 6: Final answer
x = 33,727,786.97
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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.