Finding the Fourth Proportional to 163,363,546.80, 245,045,320.20 and 126,375,253.20
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Solution
The fourth proportional to 163,363,546.80, 245,045,320.20 and 126,375,253.20 is: 189,562,879.80
Step by Step Solution
- Step 1: Write the proportion equation
163,363,546.80 : 245,045,320.20 = 126,375,253.20 : x - Step 2: Convert to fraction form
163,363,546.80/245,045,320.20 = 126,375,253.20/x - Step 3: Cross multiply
163,363,546.80x = 245,045,320.20 × 126,375,253.20 - Step 4: Simplify right side
163,363,546.80x = 30,967,664,385,750,072 - Step 5: Solve for x
x = 30,967,664,385,750,072/163,363,546.80 - Step 6: Final answer
x = 189,562,879.80
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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.