Finding the Fourth Proportional to 108,866,372.20, 163,313,555.10 and 54,306,845.80
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Solution
The fourth proportional to 108,866,372.20, 163,313,555.10 and 54,306,845.80 is: 81,467,250.86
Step by Step Solution
- Step 1: Write the proportion equation
108,866,372.20 : 163,313,555.10 = 54,306,845.80 : x - Step 2: Convert to fraction form
108,866,372.20/163,313,555.10 = 54,306,845.80/x - Step 3: Cross multiply
108,866,372.20x = 163,313,555.10 × 54,306,845.80 - Step 4: Simplify right side
108,866,372.20x = 8,869,044,053,865,503 - Step 5: Solve for x
x = 8,869,044,053,865,503/108,866,372.20 - Step 6: Final answer
x = 81,467,250.86
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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.