Finding the Fourth Proportional to 163,647,455.26, 225,838,276.06 and 89,312,783.56
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Solution
The fourth proportional to 163,647,455.26, 225,838,276.06 and 89,312,783.56 is: 123,254,254.32
Step by Step Solution
- Step 1: Write the proportion equation
163,647,455.26 : 225,838,276.06 = 89,312,783.56 : x - Step 2: Convert to fraction form
163,647,455.26/225,838,276.06 = 89,312,783.56/x - Step 3: Cross multiply
163,647,455.26x = 225,838,276.06 × 89,312,783.56 - Step 4: Simplify right side
163,647,455.26x = 20,170,245,069,310,312 - Step 5: Solve for x
x = 20,170,245,069,310,312/163,647,455.26 - Step 6: Final answer
x = 123,254,254.32
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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.