Finding the Fourth Proportional to 97,166,959.20, 145,750,438.80 and 32,470,764.28
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Solution
The fourth proportional to 97,166,959.20, 145,750,438.80 and 32,470,764.28 is: 48,706,146.42
Step by Step Solution
- Step 1: Write the proportion equation
97,166,959.20 : 145,750,438.80 = 32,470,764.28 : x - Step 2: Convert to fraction form
97,166,959.20/145,750,438.80 = 32,470,764.28/x - Step 3: Cross multiply
97,166,959.20x = 145,750,438.80 × 32,470,764.28 - Step 4: Simplify right side
97,166,959.20x = 4,732,628,141,981,367 - Step 5: Solve for x
x = 4,732,628,141,981,367/97,166,959.20 - Step 6: Final answer
x = 48,706,146.42
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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.