Finding the Fourth Proportional to 81,963,486.14, 113,123,604.15 and 48,925,439.42
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Solution
The fourth proportional to 81,963,486.14, 113,123,604.15 and 48,925,439.42 is: 67,525,459.23
Step by Step Solution
- Step 1: Write the proportion equation
81,963,486.14 : 113,123,604.15 = 48,925,439.42 : x - Step 2: Convert to fraction form
81,963,486.14/113,123,604.15 = 48,925,439.42/x - Step 3: Cross multiply
81,963,486.14x = 113,123,604.15 × 48,925,439.42 - Step 4: Simplify right side
81,963,486.14x = 5,534,622,041,247,268 - Step 5: Solve for x
x = 5,534,622,041,247,268/81,963,486.14 - Step 6: Final answer
x = 67,525,459.23
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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.