Finding the Fourth Proportional to 74,354,141.96, 111,574,865.58 and 31,220,028.44
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Solution
The fourth proportional to 74,354,141.96, 111,574,865.58 and 31,220,028.44 is: 46,848,371.65
Step by Step Solution
- Step 1: Write the proportion equation
74,354,141.96 : 111,574,865.58 = 31,220,028.44 : x - Step 2: Convert to fraction form
74,354,141.96/111,574,865.58 = 31,220,028.44/x - Step 3: Cross multiply
74,354,141.96x = 111,574,865.58 × 31,220,028.44 - Step 4: Simplify right side
74,354,141.96x = 3,483,370,476,596,777 - Step 5: Solve for x
x = 3,483,370,476,596,777/74,354,141.96 - Step 6: Final answer
x = 46,848,371.65
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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.