Finding the Fourth Proportional to 122,276,574.48, 168,741,667.08 and 67,271,250
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Solution
The fourth proportional to 122,276,574.48, 168,741,667.08 and 67,271,250 is: 92,834,321.86
Step by Step Solution
- Step 1: Write the proportion equation
122,276,574.48 : 168,741,667.08 = 67,271,250 : x - Step 2: Convert to fraction form
122,276,574.48/168,741,667.08 = 67,271,250/x - Step 3: Cross multiply
122,276,574.48x = 168,741,667.08 × 67,271,250 - Step 4: Simplify right side
122,276,574.48x = 11,351,462,871,555,450 - Step 5: Solve for x
x = 11,351,462,871,555,450/122,276,574.48 - Step 6: Final answer
x = 92,834,321.86
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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.