Finding the Fourth Proportional to 275,031,853.52, 379,551,138.12 and 151,275,777.68
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Solution
The fourth proportional to 275,031,853.52, 379,551,138.12 and 151,275,777.68 is: 208,764,522.56
Step by Step Solution
- Step 1: Write the proportion equation
275,031,853.52 : 379,551,138.12 = 151,275,777.68 : x - Step 2: Convert to fraction form
275,031,853.52/379,551,138.12 = 151,275,777.68/x - Step 3: Cross multiply
275,031,853.52x = 379,551,138.12 × 151,275,777.68 - Step 4: Simplify right side
275,031,853.52x = 57,416,893,588,432,096 - Step 5: Solve for x
x = 57,416,893,588,432,096/275,031,853.52 - Step 6: Final answer
x = 208,764,522.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.