Finding the Fourth Proportional to 66,163,626.80, 99,245,440.20 and 63,187,557.20
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Solution
The fourth proportional to 66,163,626.80, 99,245,440.20 and 63,187,557.20 is: 94,781,335.80
Step by Step Solution
- Step 1: Write the proportion equation
66,163,626.80 : 99,245,440.20 = 63,187,557.20 : x - Step 2: Convert to fraction form
66,163,626.80/99,245,440.20 = 63,187,557.20/x - Step 3: Cross multiply
66,163,626.80x = 99,245,440.20 × 63,187,557.20 - Step 4: Simplify right side
66,163,626.80x = 6,271,076,929,476,680 - Step 5: Solve for x
x = 6,271,076,929,476,680/66,163,626.80 - Step 6: Final answer
x = 94,781,335.80
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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.