Finding the Fourth Proportional to 128,259,898.23, 176,993,917.68 and 69,521,302.21
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Solution
The fourth proportional to 128,259,898.23, 176,993,917.68 and 69,521,302.21 is: 95,936,826.80
Step by Step Solution
- Step 1: Write the proportion equation
128,259,898.23 : 176,993,917.68 = 69,521,302.21 : x - Step 2: Convert to fraction form
128,259,898.23/176,993,917.68 = 69,521,302.21/x - Step 3: Cross multiply
128,259,898.23x = 176,993,917.68 × 69,521,302.21 - Step 4: Simplify right side
128,259,898.23x = 12,304,847,641,176,954 - Step 5: Solve for x
x = 12,304,847,641,176,954/128,259,898.23 - Step 6: Final answer
x = 95,936,826.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.