Finding the Fourth Proportional to 192,170,000.30, 288,255,000.45 and 88,539,005.30
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Solution
The fourth proportional to 192,170,000.30, 288,255,000.45 and 88,539,005.30 is: 132,808,507.95
Step by Step Solution
- Step 1: Write the proportion equation
192,170,000.30 : 288,255,000.45 = 88,539,005.30 : x - Step 2: Convert to fraction form
192,170,000.30/288,255,000.45 = 88,539,005.30/x - Step 3: Cross multiply
192,170,000.30x = 288,255,000.45 × 88,539,005.30 - Step 4: Simplify right side
192,170,000.30x = 25,521,811,012,594,052 - Step 5: Solve for x
x = 25,521,811,012,594,052/192,170,000.30 - Step 6: Final answer
x = 132,808,507.95
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1.5x scale
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.