Finding the Fourth Proportional to 163,334,108.80, 245,001,163.20 and 126,345,815.20
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Solution
The fourth proportional to 163,334,108.80, 245,001,163.20 and 126,345,815.20 is: 189,518,722.80
Step by Step Solution
- Step 1: Write the proportion equation
163,334,108.80 : 245,001,163.20 = 126,345,815.20 : x - Step 2: Convert to fraction form
163,334,108.80/245,001,163.20 = 126,345,815.20/x - Step 3: Cross multiply
163,334,108.80x = 245,001,163.20 × 126,345,815.20 - Step 4: Simplify right side
163,334,108.80x = 30,954,871,689,452,240 - Step 5: Solve for x
x = 30,954,871,689,452,240/163,334,108.80 - Step 6: Final answer
x = 189,518,722.80
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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.