Finding the Fourth Proportional to 76,934,687.40, 106,169,891.49 and 41,652,485.51
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Solution
The fourth proportional to 76,934,687.40, 106,169,891.49 and 41,652,485.51 is: 57,480,442.38
Step by Step Solution
- Step 1: Write the proportion equation
76,934,687.40 : 106,169,891.49 = 41,652,485.51 : x - Step 2: Convert to fraction form
76,934,687.40/106,169,891.49 = 41,652,485.51/x - Step 3: Cross multiply
76,934,687.40x = 106,169,891.49 × 41,652,485.51 - Step 4: Simplify right side
76,934,687.40x = 4,422,239,866,354,648 - Step 5: Solve for x
x = 4,422,239,866,354,648/76,934,687.40 - Step 6: Final answer
x = 57,480,442.38
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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.