Finding the Fourth Proportional to 69,504,475.31, 103,642,633.03 and 68,880,634.14
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Solution
The fourth proportional to 69,504,475.31, 103,642,633.03 and 68,880,634.14 is: 102,712,382.99
Step by Step Solution
- Step 1: Write the proportion equation
69,504,475.31 : 103,642,633.03 = 68,880,634.14 : x - Step 2: Convert to fraction form
69,504,475.31/103,642,633.03 = 68,880,634.14/x - Step 3: Cross multiply
69,504,475.31x = 103,642,633.03 × 68,880,634.14 - Step 4: Simplify right side
69,504,475.31x = 7,138,970,286,873,508 - Step 5: Solve for x
x = 7,138,970,286,873,508/69,504,475.31 - Step 6: Final answer
x = 102,712,382.99
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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.