Finding the Fourth Proportional to 53,759,089.97, 80,638,638.63 and 21,433,692.92
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Solution
The fourth proportional to 53,759,089.97, 80,638,638.63 and 21,433,692.92 is: 32,150,540.84
Step by Step Solution
- Step 1: Write the proportion equation
53,759,089.97 : 80,638,638.63 = 21,433,692.92 : x - Step 2: Convert to fraction form
53,759,089.97/80,638,638.63 = 21,433,692.92/x - Step 3: Cross multiply
53,759,089.97x = 80,638,638.63 × 21,433,692.92 - Step 4: Simplify right side
53,759,089.97x = 1,728,383,817,775,101.25 - Step 5: Solve for x
x = 1,728,383,817,775,101.25/53,759,089.97 - Step 6: Final answer
x = 32,150,540.84
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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.