Finding the Fourth Proportional to 163,166,063.40, 244,677,273.96 and 86,471,122.68
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Solution
The fourth proportional to 163,166,063.40, 244,677,273.96 and 86,471,122.68 is: 129,668,621.85
Step by Step Solution
- Step 1: Write the proportion equation
163,166,063.40 : 244,677,273.96 = 86,471,122.68 : x - Step 2: Convert to fraction form
163,166,063.40/244,677,273.96 = 86,471,122.68/x - Step 3: Cross multiply
163,166,063.40x = 244,677,273.96 × 86,471,122.68 - Step 4: Simplify right side
163,166,063.40x = 21,157,518,573,603,132 - Step 5: Solve for x
x = 21,157,518,573,603,132/163,166,063.40 - Step 6: Final answer
x = 129,668,621.85
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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.