Finding the Fourth Proportional to 74,985,936.80, 112,478,905.20 and 26,463,405.20
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Solution
The fourth proportional to 74,985,936.80, 112,478,905.20 and 26,463,405.20 is: 39,695,107.80
Step by Step Solution
- Step 1: Write the proportion equation
74,985,936.80 : 112,478,905.20 = 26,463,405.20 : x - Step 2: Convert to fraction form
74,985,936.80/112,478,905.20 = 26,463,405.20/x - Step 3: Cross multiply
74,985,936.80x = 112,478,905.20 × 26,463,405.20 - Step 4: Simplify right side
74,985,936.80x = 2,976,574,844,759,987 - Step 5: Solve for x
x = 2,976,574,844,759,987/74,985,936.80 - Step 6: Final answer
x = 39,695,107.80
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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.