Finding the Fourth Proportional to 163,331,039.44, 225,393,996.36 and 88,992,210.79
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Solution
The fourth proportional to 163,331,039.44, 225,393,996.36 and 88,992,210.79 is: 122,807,704.55
Step by Step Solution
- Step 1: Write the proportion equation
163,331,039.44 : 225,393,996.36 = 88,992,210.79 : x - Step 2: Convert to fraction form
163,331,039.44/225,393,996.36 = 88,992,210.79/x - Step 3: Cross multiply
163,331,039.44x = 225,393,996.36 × 88,992,210.79 - Step 4: Simplify right side
163,331,039.44x = 20,058,310,034,869,616 - Step 5: Solve for x
x = 20,058,310,034,869,616/163,331,039.44 - Step 6: Final answer
x = 122,807,704.55
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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.