Finding the Fourth Proportional to 311,053,935.40, 429,246,114.42 and 171,821,700.52
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Solution
The fourth proportional to 311,053,935.40, 429,246,114.42 and 171,821,700.52 is: 237,109,352.84
Step by Step Solution
- Step 1: Write the proportion equation
311,053,935.40 : 429,246,114.42 = 171,821,700.52 : x - Step 2: Convert to fraction form
311,053,935.40/429,246,114.42 = 171,821,700.52/x - Step 3: Cross multiply
311,053,935.40x = 429,246,114.42 × 171,821,700.52 - Step 4: Simplify right side
311,053,935.40x = 73,753,797,321,246,896 - Step 5: Solve for x
x = 73,753,797,321,246,896/311,053,935.40 - Step 6: Final answer
x = 237,109,352.84
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.