Finding the Fourth Proportional to 125,392,687.20, 173,047,642.65 and 69,638,358.96
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Solution
The fourth proportional to 125,392,687.20, 173,047,642.65 and 69,638,358.96 is: 96,104,119.99
Step by Step Solution
- Step 1: Write the proportion equation
125,392,687.20 : 173,047,642.65 = 69,638,358.96 : x - Step 2: Convert to fraction form
125,392,687.20/173,047,642.65 = 69,638,358.96/x - Step 3: Cross multiply
125,392,687.20x = 173,047,642.65 × 69,638,358.96 - Step 4: Simplify right side
125,392,687.20x = 12,050,753,856,042,504 - Step 5: Solve for x
x = 12,050,753,856,042,504/125,392,687.20 - Step 6: Final answer
x = 96,104,119.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.