Finding the Fourth Proportional to 289,250,046.53, 399,189,681.57 and 163,824,554.06
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Solution
The fourth proportional to 289,250,046.53, 399,189,681.57 and 163,824,554.06 is: 226,091,827.31
Step by Step Solution
- Step 1: Write the proportion equation
289,250,046.53 : 399,189,681.57 = 163,824,554.06 : x - Step 2: Convert to fraction form
289,250,046.53/399,189,681.57 = 163,824,554.06/x - Step 3: Cross multiply
289,250,046.53x = 399,189,681.57 × 163,824,554.06 - Step 4: Simplify right side
289,250,046.53x = 65,397,071,568,674,008 - Step 5: Solve for x
x = 65,397,071,568,674,008/289,250,046.53 - Step 6: Final answer
x = 226,091,827.31
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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.