Finding the Fourth Proportional to 76,833,324.97, 106,028,742.52 and 42,025,710.94
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Solution
The fourth proportional to 76,833,324.97, 106,028,742.52 and 42,025,710.94 is: 57,994,799.60
Step by Step Solution
- Step 1: Write the proportion equation
76,833,324.97 : 106,028,742.52 = 42,025,710.94 : x - Step 2: Convert to fraction form
76,833,324.97/106,028,742.52 = 42,025,710.94/x - Step 3: Cross multiply
76,833,324.97x = 106,028,742.52 × 42,025,710.94 - Step 4: Simplify right side
76,833,324.97x = 4,455,933,284,264,667 - Step 5: Solve for x
x = 4,455,933,284,264,667/76,833,324.97 - Step 6: Final answer
x = 57,994,799.60
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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.