Finding the Fourth Proportional to 197,219,725.56, 272,250,391.68 and 117,862,782.48
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Solution
The fourth proportional to 197,219,725.56, 272,250,391.68 and 117,862,782.48 is: 162,702,734.75
Step by Step Solution
- Step 1: Write the proportion equation
197,219,725.56 : 272,250,391.68 = 117,862,782.48 : x - Step 2: Convert to fraction form
197,219,725.56/272,250,391.68 = 117,862,782.48/x - Step 3: Cross multiply
197,219,725.56x = 272,250,391.68 × 117,862,782.48 - Step 4: Simplify right side
197,219,725.56x = 32,088,188,694,674,644 - Step 5: Solve for x
x = 32,088,188,694,674,644/197,219,725.56 - Step 6: Final answer
x = 162,702,734.75
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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.