Finding the Fourth Proportional to 103,789,133.84, 143,222,861.40 and 57,376,619.84
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Solution
The fourth proportional to 103,789,133.84, 143,222,861.40 and 57,376,619.84 is: 79,176,339.25
Step by Step Solution
- Step 1: Write the proportion equation
103,789,133.84 : 143,222,861.40 = 57,376,619.84 : x - Step 2: Convert to fraction form
103,789,133.84/143,222,861.40 = 57,376,619.84/x - Step 3: Cross multiply
103,789,133.84x = 143,222,861.40 × 57,376,619.84 - Step 4: Simplify right side
103,789,133.84x = 8,217,643,670,944,811 - Step 5: Solve for x
x = 8,217,643,670,944,811/103,789,133.84 - Step 6: Final answer
x = 79,176,339.25
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.