Finding the Fourth Proportional to 151,098,745.20, 226,648,117.80 and 120,865,657.20
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Solution
The fourth proportional to 151,098,745.20, 226,648,117.80 and 120,865,657.20 is: 181,298,485.80
Step by Step Solution
- Step 1: Write the proportion equation
151,098,745.20 : 226,648,117.80 = 120,865,657.20 : x - Step 2: Convert to fraction form
151,098,745.20/226,648,117.80 = 120,865,657.20/x - Step 3: Cross multiply
151,098,745.20x = 226,648,117.80 × 120,865,657.20 - Step 4: Simplify right side
151,098,745.20x = 27,393,973,711,040,020 - Step 5: Solve for x
x = 27,393,973,711,040,020/151,098,745.20 - Step 6: Final answer
x = 181,298,485.80
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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.