Finding the Fourth Proportional to 74,686,168.10, 112,029,252.15 and 50,293,026.20
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Solution
The fourth proportional to 74,686,168.10, 112,029,252.15 and 50,293,026.20 is: 75,439,539.30
Step by Step Solution
- Step 1: Write the proportion equation
74,686,168.10 : 112,029,252.15 = 50,293,026.20 : x - Step 2: Convert to fraction form
74,686,168.10/112,029,252.15 = 50,293,026.20/x - Step 3: Cross multiply
74,686,168.10x = 112,029,252.15 × 50,293,026.20 - Step 4: Simplify right side
74,686,168.10x = 5,634,290,113,546,357 - Step 5: Solve for x
x = 5,634,290,113,546,357/74,686,168.10 - Step 6: Final answer
x = 75,439,539.30
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1.5x scale
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.