Finding the Fourth Proportional to 104,915,237.40, 157,372,856.10 and 74,304,235.80
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Solution
The fourth proportional to 104,915,237.40, 157,372,856.10 and 74,304,235.80 is: 111,456,353.70
Step by Step Solution
- Step 1: Write the proportion equation
104,915,237.40 : 157,372,856.10 = 74,304,235.80 : x - Step 2: Convert to fraction form
104,915,237.40/157,372,856.10 = 74,304,235.80/x - Step 3: Cross multiply
104,915,237.40x = 157,372,856.10 × 74,304,235.80 - Step 4: Simplify right side
104,915,237.40x = 11,693,469,808,173,868 - Step 5: Solve for x
x = 11,693,469,808,173,868/104,915,237.40 - Step 6: Final answer
x = 111,456,353.70
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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.