Finding the Fourth Proportional to 243,201,711.49, 335,642,322.17 and 138,795,497.89
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Solution
The fourth proportional to 243,201,711.49, 335,642,322.17 and 138,795,497.89 is: 191,551,461.27
Step by Step Solution
- Step 1: Write the proportion equation
243,201,711.49 : 335,642,322.17 = 138,795,497.89 : x - Step 2: Convert to fraction form
243,201,711.49/335,642,322.17 = 138,795,497.89/x - Step 3: Cross multiply
243,201,711.49x = 335,642,322.17 × 138,795,497.89 - Step 4: Simplify right side
243,201,711.49x = 46,585,643,218,540,936 - Step 5: Solve for x
x = 46,585,643,218,540,936/243,201,711.49 - Step 6: Final answer
x = 191,551,461.27
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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.