Finding the Fourth Proportional to 54,391,102.20, 81,563,033.70 and 17,985,425.40
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Solution
The fourth proportional to 54,391,102.20, 81,563,033.70 and 17,985,425.40 is: 26,970,327.84
Step by Step Solution
- Step 1: Write the proportion equation
54,391,102.20 : 81,563,033.70 = 17,985,425.40 : x - Step 2: Convert to fraction form
54,391,102.20/81,563,033.70 = 17,985,425.40/x - Step 3: Cross multiply
54,391,102.20x = 81,563,033.70 × 17,985,425.40 - Step 4: Simplify right side
54,391,102.20x = 1,466,945,858,009,036 - Step 5: Solve for x
x = 1,466,945,858,009,036/54,391,102.20 - Step 6: Final answer
x = 26,970,327.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.