Finding the Fourth Proportional to 118,115,289.20, 177,172,933.80 and 106,777,881.20
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Solution
The fourth proportional to 118,115,289.20, 177,172,933.80 and 106,777,881.20 is: 160,166,821.80
Step by Step Solution
- Step 1: Write the proportion equation
118,115,289.20 : 177,172,933.80 = 106,777,881.20 : x - Step 2: Convert to fraction form
118,115,289.20/177,172,933.80 = 106,777,881.20/x - Step 3: Cross multiply
118,115,289.20x = 177,172,933.80 × 106,777,881.20 - Step 4: Simplify right side
118,115,289.20x = 18,918,150,477,151,868 - Step 5: Solve for x
x = 18,918,150,477,151,868/118,115,289.20 - Step 6: Final answer
x = 160,166,821.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.