Finding the Fourth Proportional to 252,110,102.80, 378,165,154.20 and 154,750,111.60
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Solution
The fourth proportional to 252,110,102.80, 378,165,154.20 and 154,750,111.60 is: 232,125,167.40
Step by Step Solution
- Step 1: Write the proportion equation
252,110,102.80 : 378,165,154.20 = 154,750,111.60 : x - Step 2: Convert to fraction form
252,110,102.80/378,165,154.20 = 154,750,111.60/x - Step 3: Cross multiply
252,110,102.80x = 378,165,154.20 × 154,750,111.60 - Step 4: Simplify right side
252,110,102.80x = 58,521,099,815,681,208 - Step 5: Solve for x
x = 58,521,099,815,681,208/252,110,102.80 - Step 6: Final answer
x = 232,125,167.40
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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.