Finding the Fourth Proportional to 163,310,543.70, 244,965,815.55 and 148,193,999.70
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Solution
The fourth proportional to 163,310,543.70, 244,965,815.55 and 148,193,999.70 is: 222,290,999.55
Step by Step Solution
- Step 1: Write the proportion equation
163,310,543.70 : 244,965,815.55 = 148,193,999.70 : x - Step 2: Convert to fraction form
163,310,543.70/244,965,815.55 = 148,193,999.70/x - Step 3: Cross multiply
163,310,543.70x = 244,965,815.55 × 148,193,999.70 - Step 4: Simplify right side
163,310,543.70x = 36,302,463,996,126,952 - Step 5: Solve for x
x = 36,302,463,996,126,952/163,310,543.70 - Step 6: Final answer
x = 222,290,999.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.