Finding the Fourth Proportional to 75,696,956.94, 113,545,435.55 and 18,189,228.18
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Solution
The fourth proportional to 75,696,956.94, 113,545,435.55 and 18,189,228.18 is: 27,283,842.30
Step by Step Solution
- Step 1: Write the proportion equation
75,696,956.94 : 113,545,435.55 = 18,189,228.18 : x - Step 2: Convert to fraction form
75,696,956.94/113,545,435.55 = 18,189,228.18/x - Step 3: Cross multiply
75,696,956.94x = 113,545,435.55 × 18,189,228.18 - Step 4: Simplify right side
75,696,956.94x = 2,065,303,836,016,433.75 - Step 5: Solve for x
x = 2,065,303,836,016,433.75/75,696,956.94 - Step 6: Final answer
x = 27,283,842.30
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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.