Finding the Fourth Proportional to 141,839,715.91, 212,559,574.44 and 66,977,069.92
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Solution
The fourth proportional to 141,839,715.91, 212,559,574.44 and 66,977,069.92 is: 100,371,164.65
Step by Step Solution
- Step 1: Write the proportion equation
141,839,715.91 : 212,559,574.44 = 66,977,069.92 : x - Step 2: Convert to fraction form
141,839,715.91/212,559,574.44 = 66,977,069.92/x - Step 3: Cross multiply
141,839,715.91x = 212,559,574.44 × 66,977,069.92 - Step 4: Simplify right side
141,839,715.91x = 14,236,617,479,433,326 - Step 5: Solve for x
x = 14,236,617,479,433,326/141,839,715.91 - Step 6: Final answer
x = 100,371,164.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.