Finding the Fourth Proportional to 55,747,882.26, 76,929,938.73 and 30,969,627.08
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Solution
The fourth proportional to 55,747,882.26, 76,929,938.73 and 30,969,627.08 is: 42,736,897.20
Step by Step Solution
- Step 1: Write the proportion equation
55,747,882.26 : 76,929,938.73 = 30,969,627.08 : x - Step 2: Convert to fraction form
55,747,882.26/76,929,938.73 = 30,969,627.08/x - Step 3: Cross multiply
55,747,882.26x = 76,929,938.73 × 30,969,627.08 - Step 4: Simplify right side
55,747,882.26x = 2,382,491,513,370,699 - Step 5: Solve for x
x = 2,382,491,513,370,699/55,747,882.26 - Step 6: Final answer
x = 42,736,897.20
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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.