Finding the Fourth Proportional to 54,498,690.44, 81,721,118.70 and 19,929,032.03
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Solution
The fourth proportional to 54,498,690.44, 81,721,118.70 and 19,929,032.03 is: 29,883,705.08
Step by Step Solution
- Step 1: Write the proportion equation
54,498,690.44 : 81,721,118.70 = 19,929,032.03 : x - Step 2: Convert to fraction form
54,498,690.44/81,721,118.70 = 19,929,032.03/x - Step 3: Cross multiply
54,498,690.44x = 81,721,118.70 × 19,929,032.03 - Step 4: Simplify right side
54,498,690.44x = 1,628,622,792,304,034.75 - Step 5: Solve for x
x = 1,628,622,792,304,034.75/54,498,690.44 - Step 6: Final answer
x = 29,883,705.08
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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.