Finding the Fourth Proportional to 194,238,377.70, 291,357,566.55 and 193,104,636.90
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Solution
The fourth proportional to 194,238,377.70, 291,357,566.55 and 193,104,636.90 is: 289,656,955.35
Step by Step Solution
- Step 1: Write the proportion equation
194,238,377.70 : 291,357,566.55 = 193,104,636.90 : x - Step 2: Convert to fraction form
194,238,377.70/291,357,566.55 = 193,104,636.90/x - Step 3: Cross multiply
194,238,377.70x = 291,357,566.55 × 193,104,636.90 - Step 4: Simplify right side
194,238,377.70x = 56,262,497,096,705,336 - Step 5: Solve for x
x = 56,262,497,096,705,336/194,238,377.70 - Step 6: Final answer
x = 289,656,955.35
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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.