Finding the Fourth Proportional to 245,989,304.80, 369,239,266.87 and 142,560,589.48
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Solution
The fourth proportional to 245,989,304.80, 369,239,266.87 and 142,560,589.48 is: 213,988,846.33
Step by Step Solution
- Step 1: Write the proportion equation
245,989,304.80 : 369,239,266.87 = 142,560,589.48 : x - Step 2: Convert to fraction form
245,989,304.80/369,239,266.87 = 142,560,589.48/x - Step 3: Cross multiply
245,989,304.80x = 369,239,266.87 × 142,560,589.48 - Step 4: Simplify right side
245,989,304.80x = 52,638,967,542,870,736 - Step 5: Solve for x
x = 52,638,967,542,870,736/245,989,304.80 - Step 6: Final answer
x = 213,988,846.33
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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.