Finding the Fourth Proportional to 69,504,476.42, 103,642,634.70 and 68,880,635.28
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Solution
The fourth proportional to 69,504,476.42, 103,642,634.70 and 68,880,635.28 is: 102,712,384.69
Step by Step Solution
- Step 1: Write the proportion equation
69,504,476.42 : 103,642,634.70 = 68,880,635.28 : x - Step 2: Convert to fraction form
69,504,476.42/103,642,634.70 = 68,880,635.28/x - Step 3: Cross multiply
69,504,476.42x = 103,642,634.70 × 68,880,635.28 - Step 4: Simplify right side
69,504,476.42x = 7,138,970,520,228,973 - Step 5: Solve for x
x = 7,138,970,520,228,973/69,504,476.42 - Step 6: Final answer
x = 102,712,384.69
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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.