Finding the Fourth Proportional to 106,403,677.63, 159,476,118.57 and 75,288,299.49
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Solution
The fourth proportional to 106,403,677.63, 159,476,118.57 and 75,288,299.49 is: 112,840,890.88
Step by Step Solution
- Step 1: Write the proportion equation
106,403,677.63 : 159,476,118.57 = 75,288,299.49 : x - Step 2: Convert to fraction form
106,403,677.63/159,476,118.57 = 75,288,299.49/x - Step 3: Cross multiply
106,403,677.63x = 159,476,118.57 × 75,288,299.49 - Step 4: Simplify right side
106,403,677.63x = 12,006,685,776,400,910 - Step 5: Solve for x
x = 12,006,685,776,400,910/106,403,677.63 - Step 6: Final answer
x = 112,840,890.88
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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.