Finding the Fourth Proportional to 79,826,131.80, 119,739,197.70 and 49,593,043.80
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Solution
The fourth proportional to 79,826,131.80, 119,739,197.70 and 49,593,043.80 is: 74,389,565.70
Step by Step Solution
- Step 1: Write the proportion equation
79,826,131.80 : 119,739,197.70 = 49,593,043.80 : x - Step 2: Convert to fraction form
79,826,131.80/119,739,197.70 = 49,593,043.80/x - Step 3: Cross multiply
79,826,131.80x = 119,739,197.70 × 49,593,043.80 - Step 4: Simplify right side
79,826,131.80x = 5,938,231,276,112,959 - Step 5: Solve for x
x = 5,938,231,276,112,959/79,826,131.80 - Step 6: Final answer
x = 74,389,565.70
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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.