Finding the Fourth Proportional to 118,102,797.20, 177,154,195.80 and 106,765,389.20
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Solution
The fourth proportional to 118,102,797.20, 177,154,195.80 and 106,765,389.20 is: 160,148,083.80
Step by Step Solution
- Step 1: Write the proportion equation
118,102,797.20 : 177,154,195.80 = 106,765,389.20 : x - Step 2: Convert to fraction form
118,102,797.20/177,154,195.80 = 106,765,389.20/x - Step 3: Cross multiply
118,102,797.20x = 177,154,195.80 × 106,765,389.20 - Step 4: Simplify right side
118,102,797.20x = 18,913,936,663,000,008 - Step 5: Solve for x
x = 18,913,936,663,000,008/118,102,797.20 - Step 6: Final answer
x = 160,148,083.80
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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.