Finding the Fourth Proportional to 197,520,027.31, 272,577,542.88 and 118,135,087.42
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Solution
The fourth proportional to 197,520,027.31, 272,577,542.88 and 118,135,087.42 is: 163,026,363.94
Step by Step Solution
- Step 1: Write the proportion equation
197,520,027.31 : 272,577,542.88 = 118,135,087.42 : x - Step 2: Convert to fraction form
197,520,027.31/272,577,542.88 = 118,135,087.42/x - Step 3: Cross multiply
197,520,027.31x = 272,577,542.88 × 118,135,087.42 - Step 4: Simplify right side
197,520,027.31x = 32,200,971,856,857,600 - Step 5: Solve for x
x = 32,200,971,856,857,600/197,520,027.31 - Step 6: Final answer
x = 163,026,363.94
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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.