Finding the Fourth Proportional to 112,687,414.55, 155,654,506.73 and 93,187,072.79
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Solution
The fourth proportional to 112,687,414.55, 155,654,506.73 and 93,187,072.79 is: 128,718,791.77
Step by Step Solution
- Step 1: Write the proportion equation
112,687,414.55 : 155,654,506.73 = 93,187,072.79 : x - Step 2: Convert to fraction form
112,687,414.55/155,654,506.73 = 93,187,072.79/x - Step 3: Cross multiply
112,687,414.55x = 155,654,506.73 × 93,187,072.79 - Step 4: Simplify right side
112,687,414.55x = 14,504,987,848,254,744 - Step 5: Solve for x
x = 14,504,987,848,254,744/112,687,414.55 - Step 6: Final answer
x = 128,718,791.77
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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.