Finding the Fourth Proportional to 168,175,272.02, 252,391,664.84 and 76,123,654.44
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Solution
The fourth proportional to 168,175,272.02, 252,391,664.84 and 76,123,654.44 is: 114,243,762.75
Step by Step Solution
- Step 1: Write the proportion equation
168,175,272.02 : 252,391,664.84 = 76,123,654.44 : x - Step 2: Convert to fraction form
168,175,272.02/252,391,664.84 = 76,123,654.44/x - Step 3: Cross multiply
168,175,272.02x = 252,391,664.84 × 76,123,654.44 - Step 4: Simplify right side
168,175,272.02x = 19,212,975,877,816,456 - Step 5: Solve for x
x = 19,212,975,877,816,456/168,175,272.02 - Step 6: Final answer
x = 114,243,762.75
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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.