Finding the Fourth Proportional to 71,090,168.40, 106,635,252.60 and 49,549,093.20
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Solution
The fourth proportional to 71,090,168.40, 106,635,252.60 and 49,549,093.20 is: 74,323,639.80
Step by Step Solution
- Step 1: Write the proportion equation
71,090,168.40 : 106,635,252.60 = 49,549,093.20 : x - Step 2: Convert to fraction form
71,090,168.40/106,635,252.60 = 49,549,093.20/x - Step 3: Cross multiply
71,090,168.40x = 106,635,252.60 × 49,549,093.20 - Step 4: Simplify right side
71,090,168.40x = 5,283,680,069,482,942 - Step 5: Solve for x
x = 5,283,680,069,482,942/71,090,168.40 - Step 6: Final answer
x = 74,323,639.80
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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.