Finding the Fourth Proportional to 69,504,473.05, 103,642,629.67 and 68,880,631.90
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Solution
The fourth proportional to 69,504,473.05, 103,642,629.67 and 68,880,631.90 is: 102,712,379.65
Step by Step Solution
- Step 1: Write the proportion equation
69,504,473.05 : 103,642,629.67 = 68,880,631.90 : x - Step 2: Convert to fraction form
69,504,473.05/103,642,629.67 = 68,880,631.90/x - Step 3: Cross multiply
69,504,473.05x = 103,642,629.67 × 68,880,631.90 - Step 4: Simplify right side
69,504,473.05x = 7,138,969,823,177,169 - Step 5: Solve for x
x = 7,138,969,823,177,169/69,504,473.05 - Step 6: Final answer
x = 102,712,379.65
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.