Finding the Fourth Proportional to 194,558,566.20, 268,488,830.70 and 107,639,060.28
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Solution
The fourth proportional to 194,558,566.20, 268,488,830.70 and 107,639,060.28 is: 148,540,801.86
Step by Step Solution
- Step 1: Write the proportion equation
194,558,566.20 : 268,488,830.70 = 107,639,060.28 : x - Step 2: Convert to fraction form
194,558,566.20/268,488,830.70 = 107,639,060.28/x - Step 3: Cross multiply
194,558,566.20x = 268,488,830.70 × 107,639,060.28 - Step 4: Simplify right side
194,558,566.20x = 28,899,885,432,224,012 - Step 5: Solve for x
x = 28,899,885,432,224,012/194,558,566.20 - Step 6: Final answer
x = 148,540,801.86
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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.