Finding the Fourth Proportional to 174,553,950.12, 241,114,388.43 and 129,382,268.55
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Solution
The fourth proportional to 174,553,950.12, 241,114,388.43 and 129,382,268.55 is: 178,717,963.89
Step by Step Solution
- Step 1: Write the proportion equation
174,553,950.12 : 241,114,388.43 = 129,382,268.55 : x - Step 2: Convert to fraction form
174,553,950.12/241,114,388.43 = 129,382,268.55/x - Step 3: Cross multiply
174,553,950.12x = 241,114,388.43 × 129,382,268.55 - Step 4: Simplify right side
174,553,950.12x = 31,195,926,555,119,272 - Step 5: Solve for x
x = 31,195,926,555,119,272/174,553,950.12 - Step 6: Final answer
x = 178,717,963.89
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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.