Finding the Fourth Proportional to 194,435,905.95, 268,316,241.80 and 107,512,805.79
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Solution
The fourth proportional to 194,435,905.95, 268,316,241.80 and 107,512,805.79 is: 148,364,736.72
Step by Step Solution
- Step 1: Write the proportion equation
194,435,905.95 : 268,316,241.80 = 107,512,805.79 : x - Step 2: Convert to fraction form
194,435,905.95/268,316,241.80 = 107,512,805.79/x - Step 3: Cross multiply
194,435,905.95x = 268,316,241.80 × 107,512,805.79 - Step 4: Simplify right side
194,435,905.95x = 28,847,431,994,408,516 - Step 5: Solve for x
x = 28,847,431,994,408,516/194,435,905.95 - Step 6: Final answer
x = 148,364,736.72
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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.