Finding the Fourth Proportional to 106,929,958.08, 147,563,451.36 and 58,037,396.16
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Solution
The fourth proportional to 106,929,958.08, 147,563,451.36 and 58,037,396.16 is: 80,091,665.98
Step by Step Solution
- Step 1: Write the proportion equation
106,929,958.08 : 147,563,451.36 = 58,037,396.16 : x - Step 2: Convert to fraction form
106,929,958.08/147,563,451.36 = 58,037,396.16/x - Step 3: Cross multiply
106,929,958.08x = 147,563,451.36 × 58,037,396.16 - Step 4: Simplify right side
106,929,958.08x = 8,564,198,485,317,211 - Step 5: Solve for x
x = 8,564,198,485,317,211/106,929,958.08 - Step 6: Final answer
x = 80,091,665.98
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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.