Finding the Fourth Proportional to 155,656,387.30, 214,806,247.41 and 85,092,850.17
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Solution
The fourth proportional to 155,656,387.30, 214,806,247.41 and 85,092,850.17 is: 117,428,369.90
Step by Step Solution
- Step 1: Write the proportion equation
155,656,387.30 : 214,806,247.41 = 85,092,850.17 : x - Step 2: Convert to fraction form
155,656,387.30/214,806,247.41 = 85,092,850.17/x - Step 3: Cross multiply
155,656,387.30x = 214,806,247.41 × 85,092,850.17 - Step 4: Simplify right side
155,656,387.30x = 18,278,475,824,939,588 - Step 5: Solve for x
x = 18,278,475,824,939,588/155,656,387.30 - Step 6: Final answer
x = 117,428,369.90
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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.