Finding the Fourth Proportional to 272,652,023.80, 408,978,035.70 and 157,577,332.60
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Solution
The fourth proportional to 272,652,023.80, 408,978,035.70 and 157,577,332.60 is: 236,365,998.90
Step by Step Solution
- Step 1: Write the proportion equation
272,652,023.80 : 408,978,035.70 = 157,577,332.60 : x - Step 2: Convert to fraction form
272,652,023.80/408,978,035.70 = 157,577,332.60/x - Step 3: Cross multiply
272,652,023.80x = 408,978,035.70 × 157,577,332.60 - Step 4: Simplify right side
272,652,023.80x = 64,445,667,957,593,568 - Step 5: Solve for x
x = 64,445,667,957,593,568/272,652,023.80 - Step 6: Final answer
x = 236,365,998.90
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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.