Finding the Fourth Proportional to 74,903,958.70, 112,355,938.05 and 57,897,846.70
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Solution
The fourth proportional to 74,903,958.70, 112,355,938.05 and 57,897,846.70 is: 86,846,770.05
Step by Step Solution
- Step 1: Write the proportion equation
74,903,958.70 : 112,355,938.05 = 57,897,846.70 : x - Step 2: Convert to fraction form
74,903,958.70/112,355,938.05 = 57,897,846.70/x - Step 3: Cross multiply
74,903,958.70x = 112,355,938.05 × 57,897,846.70 - Step 4: Simplify right side
74,903,958.70x = 6,505,166,877,053,597 - Step 5: Solve for x
x = 6,505,166,877,053,597/74,903,958.70 - Step 6: Final answer
x = 86,846,770.05
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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.