Finding the Fourth Proportional to 217,418,686.02, 325,716,537.69 and 128,521,110.96
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Solution
The fourth proportional to 217,418,686.02, 325,716,537.69 and 128,521,110.96 is: 192,538,424.59
Step by Step Solution
- Step 1: Write the proportion equation
217,418,686.02 : 325,716,537.69 = 128,521,110.96 : x - Step 2: Convert to fraction form
217,418,686.02/325,716,537.69 = 128,521,110.96/x - Step 3: Cross multiply
217,418,686.02x = 325,716,537.69 × 128,521,110.96 - Step 4: Simplify right side
217,418,686.02x = 41,861,451,281,963,512 - Step 5: Solve for x
x = 41,861,451,281,963,512/217,418,686.02 - Step 6: Final answer
x = 192,538,424.59
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.