Finding the Fourth Proportional to 194,387,437.84, 291,788,649.93 and 83,777,694.85
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Solution
The fourth proportional to 194,387,437.84, 291,788,649.93 and 83,777,694.85 is: 125,755,968.32
Step by Step Solution
- Step 1: Write the proportion equation
194,387,437.84 : 291,788,649.93 = 83,777,694.85 : x - Step 2: Convert to fraction form
194,387,437.84/291,788,649.93 = 83,777,694.85/x - Step 3: Cross multiply
194,387,437.84x = 291,788,649.93 × 83,777,694.85 - Step 4: Simplify right side
194,387,437.84x = 24,445,380,474,529,012 - Step 5: Solve for x
x = 24,445,380,474,529,012/194,387,437.84 - Step 6: Final answer
x = 125,755,968.32
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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.