Finding the Fourth Proportional to 118,115,289.70, 177,172,934.55 and 106,777,881.70
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Solution
The fourth proportional to 118,115,289.70, 177,172,934.55 and 106,777,881.70 is: 160,166,822.55
Step by Step Solution
- Step 1: Write the proportion equation
118,115,289.70 : 177,172,934.55 = 106,777,881.70 : x - Step 2: Convert to fraction form
118,115,289.70/177,172,934.55 = 106,777,881.70/x - Step 3: Cross multiply
118,115,289.70x = 177,172,934.55 × 106,777,881.70 - Step 4: Simplify right side
118,115,289.70x = 18,918,150,645,821,744 - Step 5: Solve for x
x = 18,918,150,645,821,744/118,115,289.70 - Step 6: Final answer
x = 160,166,822.55
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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.