Finding the Fourth Proportional to 146,924,599.87, 202,749,868.90 and 79,943,833.68
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Solution
The fourth proportional to 146,924,599.87, 202,749,868.90 and 79,943,833.68 is: 110,319,182.85
Step by Step Solution
- Step 1: Write the proportion equation
146,924,599.87 : 202,749,868.90 = 79,943,833.68 : x - Step 2: Convert to fraction form
146,924,599.87/202,749,868.90 = 79,943,833.68/x - Step 3: Cross multiply
146,924,599.87x = 202,749,868.90 × 79,943,833.68 - Step 4: Simplify right side
146,924,599.87x = 16,208,601,797,983,406 - Step 5: Solve for x
x = 16,208,601,797,983,406/146,924,599.87 - Step 6: Final answer
x = 110,319,182.85
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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.