Finding the Fourth Proportional to 199,623,766.80, 299,435,650.20 and 176,193,123.60
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Solution
The fourth proportional to 199,623,766.80, 299,435,650.20 and 176,193,123.60 is: 264,289,685.40
Step by Step Solution
- Step 1: Write the proportion equation
199,623,766.80 : 299,435,650.20 = 176,193,123.60 : x - Step 2: Convert to fraction form
199,623,766.80/299,435,650.20 = 176,193,123.60/x - Step 3: Cross multiply
199,623,766.80x = 299,435,650.20 × 176,193,123.60 - Step 4: Simplify right side
199,623,766.80x = 52,758,502,525,934,960 - Step 5: Solve for x
x = 52,758,502,525,934,960/199,623,766.80 - Step 6: Final answer
x = 264,289,685.40
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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.