Finding the Fourth Proportional to 79,961,979.75, 119,955,858.12 and 24,629,788.98
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Solution
The fourth proportional to 79,961,979.75, 119,955,858.12 and 24,629,788.98 is: 36,948,653.37
Step by Step Solution
- Step 1: Write the proportion equation
79,961,979.75 : 119,955,858.12 = 24,629,788.98 : x - Step 2: Convert to fraction form
79,961,979.75/119,955,858.12 = 24,629,788.98/x - Step 3: Cross multiply
79,961,979.75x = 119,955,858.12 × 24,629,788.98 - Step 4: Simplify right side
79,961,979.75x = 2,954,487,472,579,077.50 - Step 5: Solve for x
x = 2,954,487,472,579,077.50/79,961,979.75 - Step 6: Final answer
x = 36,948,653.37
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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.