Finding the Fourth Proportional to 150,165,252.08, 207,228,047.80 and 81,487,620.08
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Solution
The fourth proportional to 150,165,252.08, 207,228,047.80 and 81,487,620.08 is: 112,452,915.67
Step by Step Solution
- Step 1: Write the proportion equation
150,165,252.08 : 207,228,047.80 = 81,487,620.08 : x - Step 2: Convert to fraction form
150,165,252.08/207,228,047.80 = 81,487,620.08/x - Step 3: Cross multiply
150,165,252.08x = 207,228,047.80 × 81,487,620.08 - Step 4: Simplify right side
150,165,252.08x = 16,886,520,429,046,480 - Step 5: Solve for x
x = 16,886,520,429,046,480/150,165,252.08 - Step 6: Final answer
x = 112,452,915.67
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1.5x scale
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.