Finding the Fourth Proportional to 106,439,404.80, 159,659,107.20 and 95,668,867.20
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Solution
The fourth proportional to 106,439,404.80, 159,659,107.20 and 95,668,867.20 is: 143,503,300.80
Step by Step Solution
- Step 1: Write the proportion equation
106,439,404.80 : 159,659,107.20 = 95,668,867.20 : x - Step 2: Convert to fraction form
106,439,404.80/159,659,107.20 = 95,668,867.20/x - Step 3: Cross multiply
106,439,404.80x = 159,659,107.20 × 95,668,867.20 - Step 4: Simplify right side
106,439,404.80x = 15,274,405,923,987,364 - Step 5: Solve for x
x = 15,274,405,923,987,364/106,439,404.80 - Step 6: Final answer
x = 143,503,300.80
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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.