Finding the Fourth Proportional to 123,385,097.97, 183,974,551.43 and 119,995,168.68
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Solution
The fourth proportional to 123,385,097.97, 183,974,551.43 and 119,995,168.68 is: 178,919,964.36
Step by Step Solution
- Step 1: Write the proportion equation
123,385,097.97 : 183,974,551.43 = 119,995,168.68 : x - Step 2: Convert to fraction form
123,385,097.97/183,974,551.43 = 119,995,168.68/x - Step 3: Cross multiply
123,385,097.97x = 183,974,551.43 × 119,995,168.68 - Step 4: Simplify right side
123,385,097.97x = 22,076,057,331,070,212 - Step 5: Solve for x
x = 22,076,057,331,070,212/123,385,097.97 - Step 6: Final answer
x = 178,919,964.36
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.