Finding the Fourth Proportional to 67,299,687.60, 100,949,531.40 and 66,874,534.80
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Solution
The fourth proportional to 67,299,687.60, 100,949,531.40 and 66,874,534.80 is: 100,311,802.20
Step by Step Solution
- Step 1: Write the proportion equation
67,299,687.60 : 100,949,531.40 = 66,874,534.80 : x - Step 2: Convert to fraction form
67,299,687.60/100,949,531.40 = 66,874,534.80/x - Step 3: Cross multiply
67,299,687.60x = 100,949,531.40 × 66,874,534.80 - Step 4: Simplify right side
67,299,687.60x = 6,750,952,950,652,993 - Step 5: Solve for x
x = 6,750,952,950,652,993/67,299,687.60 - Step 6: Final answer
x = 100,311,802.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.