Finding the Fourth Proportional to 61,118,986.21, 84,319,310.56 and 34,651,766.41
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Solution
The fourth proportional to 61,118,986.21, 84,319,310.56 and 34,651,766.41 is: 47,805,325.88
Step by Step Solution
- Step 1: Write the proportion equation
61,118,986.21 : 84,319,310.56 = 34,651,766.41 : x - Step 2: Convert to fraction form
61,118,986.21/84,319,310.56 = 34,651,766.41/x - Step 3: Cross multiply
61,118,986.21x = 84,319,310.56 × 34,651,766.41 - Step 4: Simplify right side
61,118,986.21x = 2,921,813,053,377,366 - Step 5: Solve for x
x = 2,921,813,053,377,366/61,118,986.21 - Step 6: Final answer
x = 47,805,325.88
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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.