Finding the Fourth Proportional to 198,114,406.13, 273,423,103.05 and 119,798,520.14
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Solution
The fourth proportional to 198,114,406.13, 273,423,103.05 and 119,798,520.14 is: 165,337,209.74
Step by Step Solution
- Step 1: Write the proportion equation
198,114,406.13 : 273,423,103.05 = 119,798,520.14 : x - Step 2: Convert to fraction form
198,114,406.13/273,423,103.05 = 119,798,520.14/x - Step 3: Cross multiply
198,114,406.13x = 273,423,103.05 × 119,798,520.14 - Step 4: Simplify right side
198,114,406.13x = 32,755,683,118,609,520 - Step 5: Solve for x
x = 32,755,683,118,609,520/198,114,406.13 - Step 6: Final answer
x = 165,337,209.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.