Finding the Fourth Proportional to 122,666,346.21, 184,001,122.02 and 40,785,224.49
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Solution
The fourth proportional to 122,666,346.21, 184,001,122.02 and 40,785,224.49 is: 61,178,369.62
Step by Step Solution
- Step 1: Write the proportion equation
122,666,346.21 : 184,001,122.02 = 40,785,224.49 : x - Step 2: Convert to fraction form
122,666,346.21/184,001,122.02 = 40,785,224.49/x - Step 3: Cross multiply
122,666,346.21x = 184,001,122.02 × 40,785,224.49 - Step 4: Simplify right side
122,666,346.21x = 7,504,527,067,997,583 - Step 5: Solve for x
x = 7,504,527,067,997,583/122,666,346.21 - Step 6: Final answer
x = 61,178,369.62
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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.