Finding the Fourth Proportional to 45,763,368.80, 68,611,770.84 and 21,489,787.76
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Solution
The fourth proportional to 45,763,368.80, 68,611,770.84 and 21,489,787.76 is: 32,219,052.75
Step by Step Solution
- Step 1: Write the proportion equation
45,763,368.80 : 68,611,770.84 = 21,489,787.76 : x - Step 2: Convert to fraction form
45,763,368.80/68,611,770.84 = 21,489,787.76/x - Step 3: Cross multiply
45,763,368.80x = 68,611,770.84 × 21,489,787.76 - Step 4: Simplify right side
45,763,368.80x = 1,474,452,393,189,357 - Step 5: Solve for x
x = 1,474,452,393,189,357/45,763,368.80 - Step 6: Final answer
x = 32,219,052.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.