Finding the Fourth Proportional to 194,170,270.10, 291,255,405.15 and 117,977,911.70
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Solution
The fourth proportional to 194,170,270.10, 291,255,405.15 and 117,977,911.70 is: 176,966,867.55
Step by Step Solution
- Step 1: Write the proportion equation
194,170,270.10 : 291,255,405.15 = 117,977,911.70 : x - Step 2: Convert to fraction form
194,170,270.10/291,255,405.15 = 117,977,911.70/x - Step 3: Cross multiply
194,170,270.10x = 291,255,405.15 × 117,977,911.70 - Step 4: Simplify right side
194,170,270.10x = 34,361,704,470,934,424 - Step 5: Solve for x
x = 34,361,704,470,934,424/194,170,270.10 - Step 6: Final answer
x = 176,966,867.55
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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.