Finding the Fourth Proportional to 197,540,319.24, 272,622,380.94 and 109,461,945.10
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Solution
The fourth proportional to 197,540,319.24, 272,622,380.94 and 109,461,945.10 is: 151,066,760.50
Step by Step Solution
- Step 1: Write the proportion equation
197,540,319.24 : 272,622,380.94 = 109,461,945.10 : x - Step 2: Convert to fraction form
197,540,319.24/272,622,380.94 = 109,461,945.10/x - Step 3: Cross multiply
197,540,319.24x = 272,622,380.94 × 109,461,945.10 - Step 4: Simplify right side
197,540,319.24x = 29,841,776,095,485,564 - Step 5: Solve for x
x = 29,841,776,095,485,564/197,540,319.24 - Step 6: Final answer
x = 151,066,760.50
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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.