Finding the Fourth Proportional to 163,647,443.88, 225,838,260.36 and 89,312,772.18
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Solution
The fourth proportional to 163,647,443.88, 225,838,260.36 and 89,312,772.18 is: 123,254,238.62
Step by Step Solution
- Step 1: Write the proportion equation
163,647,443.88 : 225,838,260.36 = 89,312,772.18 : x - Step 2: Convert to fraction form
163,647,443.88/225,838,260.36 = 89,312,772.18/x - Step 3: Cross multiply
163,647,443.88x = 225,838,260.36 × 89,312,772.18 - Step 4: Simplify right side
163,647,443.88x = 20,170,241,097,060,208 - Step 5: Solve for x
x = 20,170,241,097,060,208/163,647,443.88 - Step 6: Final answer
x = 123,254,238.62
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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.