Finding the Fourth Proportional to 122,666,343.21, 184,001,117.52 and 40,785,221.49
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Solution
The fourth proportional to 122,666,343.21, 184,001,117.52 and 40,785,221.49 is: 61,178,365.12
Step by Step Solution
- Step 1: Write the proportion equation
122,666,343.21 : 184,001,117.52 = 40,785,221.49 : x - Step 2: Convert to fraction form
122,666,343.21/184,001,117.52 = 40,785,221.49/x - Step 3: Cross multiply
122,666,343.21x = 184,001,117.52 × 40,785,221.49 - Step 4: Simplify right side
122,666,343.21x = 7,504,526,332,460,720 - Step 5: Solve for x
x = 7,504,526,332,460,720/122,666,343.21 - Step 6: Final answer
x = 61,178,365.12
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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.