Finding the Fourth Proportional to 163,303,228.96, 225,358,061.39 and 88,964,400.37
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Solution
The fourth proportional to 163,303,228.96, 225,358,061.39 and 88,964,400.37 is: 122,770,657.56
Step by Step Solution
- Step 1: Write the proportion equation
163,303,228.96 : 225,358,061.39 = 88,964,400.37 : x - Step 2: Convert to fraction form
163,303,228.96/225,358,061.39 = 88,964,400.37/x - Step 3: Cross multiply
163,303,228.96x = 225,358,061.39 × 88,964,400.37 - Step 4: Simplify right side
163,303,228.96x = 20,048,844,800,107,000 - Step 5: Solve for x
x = 20,048,844,800,107,000/163,303,228.96 - Step 6: Final answer
x = 122,770,657.56
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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.