Finding the Fourth Proportional to 106,812,194.80, 160,218,292.20 and 99,645,833.20
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Solution
The fourth proportional to 106,812,194.80, 160,218,292.20 and 99,645,833.20 is: 149,468,749.80
Step by Step Solution
- Step 1: Write the proportion equation
106,812,194.80 : 160,218,292.20 = 99,645,833.20 : x - Step 2: Convert to fraction form
106,812,194.80/160,218,292.20 = 99,645,833.20/x - Step 3: Cross multiply
106,812,194.80x = 160,218,292.20 × 99,645,833.20 - Step 4: Simplify right side
106,812,194.80x = 15,965,085,220,150,060 - Step 5: Solve for x
x = 15,965,085,220,150,060/106,812,194.80 - Step 6: Final answer
x = 149,468,749.80
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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.