Finding the Fourth Proportional to 74,734,101.40, 112,101,152.10 and 40,296,724.60
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Solution
The fourth proportional to 74,734,101.40, 112,101,152.10 and 40,296,724.60 is: 60,445,086.90
Step by Step Solution
- Step 1: Write the proportion equation
74,734,101.40 : 112,101,152.10 = 40,296,724.60 : x - Step 2: Convert to fraction form
74,734,101.40/112,101,152.10 = 40,296,724.60/x - Step 3: Cross multiply
74,734,101.40x = 112,101,152.10 × 40,296,724.60 - Step 4: Simplify right side
74,734,101.40x = 4,517,309,253,516,412 - Step 5: Solve for x
x = 4,517,309,253,516,412/74,734,101.40 - Step 6: Final answer
x = 60,445,086.90
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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.