Finding the Fourth Proportional to 168,979,913.08, 233,228,662.14 and 102,922,190.44
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Solution
The fourth proportional to 168,979,913.08, 233,228,662.14 and 102,922,190.44 is: 142,054,782.39
Step by Step Solution
- Step 1: Write the proportion equation
168,979,913.08 : 233,228,662.14 = 102,922,190.44 : x - Step 2: Convert to fraction form
168,979,913.08/233,228,662.14 = 102,922,190.44/x - Step 3: Cross multiply
168,979,913.08x = 233,228,662.14 × 102,922,190.44 - Step 4: Simplify right side
168,979,913.08x = 24,004,404,780,839,496 - Step 5: Solve for x
x = 24,004,404,780,839,496/168,979,913.08 - Step 6: Final answer
x = 142,054,782.39
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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.