Finding the Fourth Proportional to 194,942,212.80, 292,413,319.20 and 156,678,460.80
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Solution
The fourth proportional to 194,942,212.80, 292,413,319.20 and 156,678,460.80 is: 235,017,691.20
Step by Step Solution
- Step 1: Write the proportion equation
194,942,212.80 : 292,413,319.20 = 156,678,460.80 : x - Step 2: Convert to fraction form
194,942,212.80/292,413,319.20 = 156,678,460.80/x - Step 3: Cross multiply
194,942,212.80x = 292,413,319.20 × 156,678,460.80 - Step 4: Simplify right side
194,942,212.80x = 45,814,868,769,675,088 - Step 5: Solve for x
x = 45,814,868,769,675,088/194,942,212.80 - Step 6: Final answer
x = 235,017,691.20
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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.