Finding the Fourth Proportional to 194,942,267.30, 292,413,400.95 and 156,678,515.30
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Solution
The fourth proportional to 194,942,267.30, 292,413,400.95 and 156,678,515.30 is: 235,017,772.95
Step by Step Solution
- Step 1: Write the proportion equation
194,942,267.30 : 292,413,400.95 = 156,678,515.30 : x - Step 2: Convert to fraction form
194,942,267.30/292,413,400.95 = 156,678,515.30/x - Step 3: Cross multiply
194,942,267.30x = 292,413,400.95 × 156,678,515.30 - Step 4: Simplify right side
194,942,267.30x = 45,814,897,514,669,608 - Step 5: Solve for x
x = 45,814,897,514,669,608/194,942,267.30 - Step 6: Final answer
x = 235,017,772.95
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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.