Finding the Fourth Proportional to 167,879,784,175.08, 251,563,432,242.21 and 99,676,540,396.69
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Solution
The fourth proportional to 167,879,784,175.08, 251,563,432,242.21 and 99,676,540,396.69 is: 149,362,668,884.96
Step by Step Solution
- Step 1: Write the proportion equation
167,879,784,175.08 : 251,563,432,242.21 = 99,676,540,396.69 : x - Step 2: Convert to fraction form
167,879,784,175.08/251,563,432,242.21 = 99,676,540,396.69/x - Step 3: Cross multiply
167,879,784,175.08x = 251,563,432,242.21 × 99,676,540,396.69 - Step 4: Simplify right side
167,879,784,175.08x = 25,074,972,616,220,630,581,248 - Step 5: Solve for x
x = 25,074,972,616,220,630,581,248/167,879,784,175.08 - Step 6: Final answer
x = 149,362,668,884.96
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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.