Finding the Fourth Proportional to 159,542,361.94, 220,185,386.22 and 93,518,335.84
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Solution
The fourth proportional to 159,542,361.94, 220,185,386.22 and 93,518,335.84 is: 129,065,225.34
Step by Step Solution
- Step 1: Write the proportion equation
159,542,361.94 : 220,185,386.22 = 93,518,335.84 : x - Step 2: Convert to fraction form
159,542,361.94/220,185,386.22 = 93,518,335.84/x - Step 3: Cross multiply
159,542,361.94x = 220,185,386.22 × 93,518,335.84 - Step 4: Simplify right side
159,542,361.94x = 20,591,370,895,582,068 - Step 5: Solve for x
x = 20,591,370,895,582,068/159,542,361.94 - Step 6: Final answer
x = 129,065,225.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.