Finding the Fourth Proportional to 54,498,692.94, 81,721,122.45 and 19,929,034.54
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Solution
The fourth proportional to 54,498,692.94, 81,721,122.45 and 19,929,034.54 is: 29,883,708.84
Step by Step Solution
- Step 1: Write the proportion equation
54,498,692.94 : 81,721,122.45 = 19,929,034.54 : x - Step 2: Convert to fraction form
54,498,692.94/81,721,122.45 = 19,929,034.54/x - Step 3: Cross multiply
54,498,692.94x = 81,721,122.45 × 19,929,034.54 - Step 4: Simplify right side
54,498,692.94x = 1,628,623,071,953,619.50 - Step 5: Solve for x
x = 1,628,623,071,953,619.50/54,498,692.94 - Step 6: Final answer
x = 29,883,708.84
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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.