Finding the Fourth Proportional to 106,892,423.80, 160,338,635.70 and 53,144,711.80
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Solution
The fourth proportional to 106,892,423.80, 160,338,635.70 and 53,144,711.80 is: 79,717,067.70
Step by Step Solution
- Step 1: Write the proportion equation
106,892,423.80 : 160,338,635.70 = 53,144,711.80 : x - Step 2: Convert to fraction form
106,892,423.80/160,338,635.70 = 53,144,711.80/x - Step 3: Cross multiply
106,892,423.80x = 160,338,635.70 × 53,144,711.80 - Step 4: Simplify right side
106,892,423.80x = 8,521,150,584,681,690 - Step 5: Solve for x
x = 8,521,150,584,681,690/106,892,423.80 - Step 6: Final answer
x = 79,717,067.70
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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.