Finding the Fourth Proportional to 69,941,370.17, 96,519,183.81 and 38,578,715.81
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Solution
The fourth proportional to 69,941,370.17, 96,519,183.81 and 38,578,715.81 is: 53,238,679.10
Step by Step Solution
- Step 1: Write the proportion equation
69,941,370.17 : 96,519,183.81 = 38,578,715.81 : x - Step 2: Convert to fraction form
69,941,370.17/96,519,183.81 = 38,578,715.81/x - Step 3: Cross multiply
69,941,370.17x = 96,519,183.81 × 38,578,715.81 - Step 4: Simplify right side
69,941,370.17x = 3,723,586,162,419,143.50 - Step 5: Solve for x
x = 3,723,586,162,419,143.50/69,941,370.17 - Step 6: Final answer
x = 53,238,679.10
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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.