Finding the Fourth Proportional to 152,594,000.20, 228,891,000.30 and 135,872,489.80
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Solution
The fourth proportional to 152,594,000.20, 228,891,000.30 and 135,872,489.80 is: 203,808,734.70
Step by Step Solution
- Step 1: Write the proportion equation
152,594,000.20 : 228,891,000.30 = 135,872,489.80 : x - Step 2: Convert to fraction form
152,594,000.20/228,891,000.30 = 135,872,489.80/x - Step 3: Cross multiply
152,594,000.20x = 228,891,000.30 × 135,872,489.80 - Step 4: Simplify right side
152,594,000.20x = 31,099,990,103,573,552 - Step 5: Solve for x
x = 31,099,990,103,573,552/152,594,000.20 - Step 6: Final answer
x = 203,808,734.70
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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.