Finding the Fourth Proportional to 193,497,651.90, 271,661,987.70 and 193,497,651.90
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Solution
The fourth proportional to 193,497,651.90, 271,661,987.70 and 193,497,651.90 is: 271,661,987.70
Step by Step Solution
- Step 1: Write the proportion equation
193,497,651.90 : 271,661,987.70 = 193,497,651.90 : x - Step 2: Convert to fraction form
193,497,651.90/271,661,987.70 = 193,497,651.90/x - Step 3: Cross multiply
193,497,651.90x = 271,661,987.70 × 193,497,651.90 - Step 4: Simplify right side
193,497,651.90x = 52,565,956,730,436,680 - Step 5: Solve for x
x = 52,565,956,730,436,680/193,497,651.90 - Step 6: Final answer
x = 271,661,987.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.