Finding the Fourth Proportional to 272,975,451.48, 409,463,178.84 and 91,222,629.48
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Solution
The fourth proportional to 272,975,451.48, 409,463,178.84 and 91,222,629.48 is: 136,833,944.76
Step by Step Solution
- Step 1: Write the proportion equation
272,975,451.48 : 409,463,178.84 = 91,222,629.48 : x - Step 2: Convert to fraction form
272,975,451.48/409,463,178.84 = 91,222,629.48/x - Step 3: Cross multiply
272,975,451.48x = 409,463,178.84 × 91,222,629.48 - Step 4: Simplify right side
272,975,451.48x = 37,352,307,849,024,296 - Step 5: Solve for x
x = 37,352,307,849,024,296/272,975,451.48 - Step 6: Final answer
x = 136,833,944.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.